625742052 has 48 divisors (see below), whose sum is σ = 1664877312. Its totient is φ = 181209600.

The previous prime is 625742027. The next prime is 625742083. The reversal of 625742052 is 250247526.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 115324 + ... + 120627.

It is an arithmetic number, because the mean of its divisors is an integer number (34684944).

Almost surely, 2^625742052 is an apocalyptic number.

It is an amenable number.

625742052 is an abundant number, since it is smaller than the sum of its proper divisors (1039135260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625742052 is a wasteful number, since it uses less digits than its factorization.

625742052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235988 (or 235986 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 625742052 is about 25014.8366374838. The cubic root of 625742052 is about 855.3262104649.

Adding to 625742052 its reverse (250247526), we get a palindrome (875989578).

The spelling of 625742052 in words is "six hundred twenty-five million, seven hundred forty-two thousand, fifty-two".