65246057 has 12 divisors (see below), whose sum is σ = 69380100. Its totient is φ = 61346592.

The previous prime is 65246029. The next prime is 65246081. The reversal of 65246057 is 75064256.

It can be written as a sum of positive squares in 2 ways, for example, as 4857616 + 60388441 = 2204^2 + 7771^2 .

It is not a de Polignac number, because 65246057 - 2²⁰ = 64197481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65246257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53183 + ... + 54395.

It is an arithmetic number, because the mean of its divisors is an integer number (5781675).

Almost surely, 2^65246057 is an apocalyptic number.

It is an amenable number.

65246057 is a deficient number, since it is larger than the sum of its proper divisors (4134043).

65246057 is a wasteful number, since it uses less digits than its factorization.

65246057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 65246057 is about 8077.5031414417. The cubic root of 65246057 is about 402.5792845628.

The spelling of 65246057 in words is "sixty-five million, two hundred forty-six thousand, fifty-seven".