625505442 has 8 divisors (see below), whose sum is σ = 1251010896. Its totient is φ = 208501812.

The previous prime is 625505393. The next prime is 625505453. The reversal of 625505442 is 244505526.

It is a sphenic number, since it is the product of 3 distinct primes.

625505442 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52125448 + ... + 52125459.

It is an arithmetic number, because the mean of its divisors is an integer number (156376362).

Almost surely, 2^625505442 is an apocalyptic number.

625505442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

625505442 is a wasteful number, since it uses less digits than its factorization.

625505442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104250912.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 625505442 is about 25010.1067970531. The cubic root of 625505442 is about 855.2183895464.

The spelling of 625505442 in words is "six hundred twenty-five million, five hundred five thousand, four hundred forty-two".