156650513 has 2 divisors, whose sum is σ = 156650514. Its totient is φ = 156650512.

The previous prime is 156650491. The next prime is 156650519. The reversal of 156650513 is 315056651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154952704 + 1697809 = 12448^2 + 1303^2 .

It is a cyclic number.

It is not a de Polignac number, because 156650513 - 2¹⁰ = 156649489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 156650513.

It is not a weakly prime, because it can be changed into another prime (156650519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78325256 + 78325257.

It is an arithmetic number, because the mean of its divisors is an integer number (78325257).

Almost surely, 2^156650513 is an apocalyptic number.

It is an amenable number.

156650513 is a deficient number, since it is larger than the sum of its proper divisors (1).

156650513 is an equidigital number, since it uses as much as digits as its factorization.

156650513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 156650513 is about 12516.0102668542. The cubic root of 156650513 is about 539.0684820447.

The spelling of 156650513 in words is "one hundred fifty-six million, six hundred fifty thousand, five hundred thirteen".