65262493 has 4 divisors (see below), whose sum is σ = 65281468. Its totient is φ = 65243520.

The previous prime is 65262479. The next prime is 65262517. The reversal of 65262493 is 39426256.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 974169 + 64288324 = 987^2 + 8018^2 .

It is a cyclic number.

It is not a de Polignac number, because 65262493 - 2¹⁷ = 65131421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65262443) 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 3 ways as a sum of consecutive naturals, for example, 2718 + ... + 11743.

It is an arithmetic number, because the mean of its divisors is an integer number (16320367).

Almost surely, 2^65262493 is an apocalyptic number.

It is an amenable number.

65262493 is a deficient number, since it is larger than the sum of its proper divisors (18975).

65262493 is a wasteful number, since it uses less digits than its factorization.

65262493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18974.

The product of its digits is 77760, while the sum is 37.

The square root of 65262493 is about 8078.5204709773. The cubic root of 65262493 is about 402.6130860311.

The spelling of 65262493 in words is "sixty-five million, two hundred sixty-two thousand, four hundred ninety-three".