657053503 has 2 divisors, whose sum is σ = 657053504. Its totient is φ = 657053502.

The previous prime is 657053479. The next prime is 657053521. The reversal of 657053503 is 305350756.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 657053503 - 2⁵ = 657053471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (657053603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328526751 + 328526752.

It is an arithmetic number, because the mean of its divisors is an integer number (328526752).

Almost surely, 2^657053503 is an apocalyptic number.

657053503 is a deficient number, since it is larger than the sum of its proper divisors (1).

657053503 is an equidigital number, since it uses as much as digits as its factorization.

657053503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 657053503 is about 25633.0548901219. The cubic root of 657053503 is about 869.3611829626.

The spelling of 657053503 in words is "six hundred fifty-seven million, fifty-three thousand, five hundred three".