625425242 has 16 divisors (see below), whose sum is σ = 1063476960. Its totient is φ = 273465072.

The previous prime is 625425221. The next prime is 625425247. The reversal of 625425242 is 242524526.

It is a junction number, because it is equal to n+sod(n) for n = 625425199 and 625425208.

It is not an unprimeable number, because it can be changed into a prime (625425247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632528 + ... + 633515.

It is an arithmetic number, because the mean of its divisors is an integer number (66467310).

Almost surely, 2^625425242 is an apocalyptic number.

625425242 is a deficient number, since it is larger than the sum of its proper divisors (438051718).

625425242 is a wasteful number, since it uses less digits than its factorization.

625425242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266077.

The product of its digits is 38400, while the sum is 32.

The square root of 625425242 is about 25008.5033938459. The cubic root of 625425242 is about 855.1818370019.

Adding to 625425242 its reverse (242524526), we get a palindrome (867949768).

The spelling of 625425242 in words is "six hundred twenty-five million, four hundred twenty-five thousand, two hundred forty-two".