657053039 has 2 divisors, whose sum is σ = 657053040. Its totient is φ = 657053038.

The previous prime is 657052939. The next prime is 657053053. The reversal of 657053039 is 930350756.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 657053039 - 2⁸ = 657052783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 657052993 and 657053011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (657053069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328526519 + 328526520.

It is an arithmetic number, because the mean of its divisors is an integer number (328526520).

Almost surely, 2^657053039 is an apocalyptic number.

657053039 is a deficient number, since it is larger than the sum of its proper divisors (1).

657053039 is an equidigital number, since it uses as much as digits as its factorization.

657053039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 657053039 is about 25633.0458393067. The cubic root of 657053039 is about 869.3609783198.

The spelling of 657053039 in words is "six hundred fifty-seven million, fifty-three thousand, thirty-nine".