625950361 has 9 divisors (see below), whose sum is σ = 634136799. Its totient is φ = 617869224.

The previous prime is 625950343. The next prime is 625950379. The reversal of 625950361 is 163059526.

The square root of 625950361 is 25019.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (625950343) and next prime (625950379).

It can be written as a sum of positive squares in only one way, i.e., 613305225 + 12645136 = 24765^2 + 3556^2 .

It is not a de Polignac number, because 625950361 - 2¹³ = 625942169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625950361.

It is not an unprimeable number, because it can be changed into a prime (625950331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3177315 + ... + 3177511.

Almost surely, 2^625950361 is an apocalyptic number.

625950361 is the 25019-th square number.

625950361 is the 12510-th centered octagonal number.

It is an amenable number.

625950361 is a deficient number, since it is larger than the sum of its proper divisors (8186438).

625950361 is an frugal number, since it uses more digits than its factorization.

625950361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The cubic root of 625950361 is about 855.4211123921.

The spelling of 625950361 in words is "six hundred twenty-five million, nine hundred fifty thousand, three hundred sixty-one".