626425252 has 6 divisors (see below), whose sum is σ = 1096244198. Its totient is φ = 313212624.

The previous prime is 626425249. The next prime is 626425291. The reversal of 626425252 is 252524626.

It can be written as a sum of positive squares in only one way, i.e., 626200576 + 224676 = 25024^2 + 474^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78303153 + ... + 78303160.

Almost surely, 2^626425252 is an apocalyptic number.

It is an amenable number.

626425252 is a deficient number, since it is larger than the sum of its proper divisors (469818946).

626425252 is a wasteful number, since it uses less digits than its factorization.

626425252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156606317 (or 156606315 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 626425252 is about 25028.4888077567. The cubic root of 626425252 is about 855.6373857177.

Adding to 626425252 its reverse (252524626), we get a palindrome (878949878).

The spelling of 626425252 in words is "six hundred twenty-six million, four hundred twenty-five thousand, two hundred fifty-two".