625350049 has 9 divisors (see below), whose sum is σ = 664751091. Its totient is φ = 588164640.

The previous prime is 625350029. The next prime is 625350067. The reversal of 625350049 is 940053526.

The square root of 625350049 is 25007.

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

It can be written as a sum of positive squares in only one way, i.e., 486864225 + 138485824 = 22065^2 + 11768^2 .

It is not a de Polignac number, because 625350049 - 2¹⁷ = 625218977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625349996 and 625350023.

It is not an unprimeable number, because it can be changed into a prime (625350029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 424384 + ... + 425854.

Almost surely, 2^625350049 is an apocalyptic number.

625350049 is the 25007-th square number.

625350049 is the 12504-th centered octagonal number.

It is an amenable number.

625350049 is a deficient number, since it is larger than the sum of its proper divisors (39401042).

625350049 is an frugal number, since it uses more digits than its factorization.

625350049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The cubic root of 625350049 is about 855.1475636464.

Multiplying 625350049 by its product of nonzero digits (32400), we get a square (20261341587600 = 4501260²).

The spelling of 625350049 in words is "six hundred twenty-five million, three hundred fifty thousand, forty-nine".