425601172 has 6 divisors (see below), whose sum is σ = 744802058. Its totient is φ = 212800584.

The previous prime is 425601149. The next prime is 425601179. The reversal of 425601172 is 271106524.

It can be written as a sum of positive squares in only one way, i.e., 352087696 + 73513476 = 18764^2 + 8574^2 .

It is a super-2 number, since 2×425601172² = 362272715215547168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425601172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425601179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53200143 + ... + 53200150.

Almost surely, 2^425601172 is an apocalyptic number.

It is an amenable number.

425601172 is a deficient number, since it is larger than the sum of its proper divisors (319200886).

425601172 is a wasteful number, since it uses less digits than its factorization.

425601172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106400297 (or 106400295 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 425601172 is about 20630.1035382763. The cubic root of 425601172 is about 752.2016326866.

Adding to 425601172 its reverse (271106524), we get a palindrome (696707696).

The spelling of 425601172 in words is "four hundred twenty-five million, six hundred one thousand, one hundred seventy-two".