425173212 has 42 divisors (see below), whose sum is σ = 1115577008. Its totient is φ = 141723432.

The previous prime is 425173211. The next prime is 425173219. The reversal of 425173212 is 212371524.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425173211) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 69988 + ... + 75819.

Almost surely, 2^425173212 is an apocalyptic number.

It is an amenable number.

425173212 is an abundant number, since it is smaller than the sum of its proper divisors (690403796).

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

425173212 is a wasteful number, since it uses less digits than its factorization.

425173212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145829 (or 145812 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 425173212 is about 20619.7287082056. The cubic root of 425173212 is about 751.9494246015.

The spelling of 425173212 in words is "four hundred twenty-five million, one hundred seventy-three thousand, two hundred twelve".