65252943 has 12 divisors (see below), whose sum is σ = 107719248. Its totient is φ = 37287360.

The previous prime is 65252939. The next prime is 65252947. The reversal of 65252943 is 34925256.

It is an interprime number because it is at equal distance from previous prime (65252939) and next prime (65252947).

It is not a de Polignac number, because 65252943 - 2² = 65252939 is a prime.

It is a super-2 number, since 2×65252943² = 8515893140322498, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 65252898 and 65252907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65252947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 517818 + ... + 517943.

It is an arithmetic number, because the mean of its divisors is an integer number (8976604).

Almost surely, 2^65252943 is an apocalyptic number.

65252943 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

65252943 is a deficient number, since it is larger than the sum of its proper divisors (42466305).

65252943 is a wasteful number, since it uses less digits than its factorization.

65252943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035774 (or 1035771 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 65252943 is about 8077.9293757745. The cubic root of 65252943 is about 402.5934466622.

The spelling of 65252943 in words is "sixty-five million, two hundred fifty-two thousand, nine hundred forty-three".