65275493 has 2 divisors, whose sum is σ = 65275494. Its totient is φ = 65275492.

The previous prime is 65275451. The next prime is 65275513. The reversal of 65275493 is 39457256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64754209 + 521284 = 8047^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 65275493 - 2²⁴ = 48498277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65275493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65275423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32637746 + 32637747.

It is an arithmetic number, because the mean of its divisors is an integer number (32637747).

Almost surely, 2^65275493 is an apocalyptic number.

It is an amenable number.

65275493 is a deficient number, since it is larger than the sum of its proper divisors (1).

65275493 is an equidigital number, since it uses as much as digits as its factorization.

65275493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 41.

The square root of 65275493 is about 8079.3250336894. The cubic root of 65275493 is about 402.6398171717.

The spelling of 65275493 in words is "sixty-five million, two hundred seventy-five thousand, four hundred ninety-three".