252315005473 has 2 divisors, whose sum is σ = 252315005474. Its totient is φ = 252315005472.

The previous prime is 252315005419. The next prime is 252315005519. The reversal of 252315005473 is 374500513252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149079387664 + 103235617809 = 386108^2 + 321303^2 .

It is a cyclic number.

It is not a de Polignac number, because 252315005473 - 2²¹ = 252312908321 is a prime.

It is not a weakly prime, because it can be changed into another prime (252315005773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126157502736 + 126157502737.

It is an arithmetic number, because the mean of its divisors is an integer number (126157502737).

Almost surely, 2^252315005473 is an apocalyptic number.

It is an amenable number.

252315005473 is a deficient number, since it is larger than the sum of its proper divisors (1).

252315005473 is an equidigital number, since it uses as much as digits as its factorization.

252315005473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 252315005473 in words is "two hundred fifty-two billion, three hundred fifteen million, five thousand, four hundred seventy-three".