653251513 has 2 divisors, whose sum is σ = 653251514. Its totient is φ = 653251512.

The previous prime is 653251493. The next prime is 653251567. The reversal of 653251513 is 315152356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478165689 + 175085824 = 21867^2 + 13232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653251513 is a prime.

It is not a weakly prime, because it can be changed into another prime (653251213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326625756 + 326625757.

It is an arithmetic number, because the mean of its divisors is an integer number (326625757).

Almost surely, 2^653251513 is an apocalyptic number.

It is an amenable number.

653251513 is a deficient number, since it is larger than the sum of its proper divisors (1).

653251513 is an equidigital number, since it uses as much as digits as its factorization.

653251513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 31.

The square root of 653251513 is about 25558.7854367143. The cubic root of 653251513 is about 867.6811075062.

The spelling of 653251513 in words is "six hundred fifty-three million, two hundred fifty-one thousand, five hundred thirteen".