425661032 has 8 divisors (see below), whose sum is σ = 798114450. Its totient is φ = 212830512.

The previous prime is 425660903. The next prime is 425661037. The reversal of 425661032 is 230166524.

It can be written as a sum of positive squares in only one way, i.e., 365039236 + 60621796 = 19106^2 + 7786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 425660986 and 425661004.

It is not an unprimeable number, because it can be changed into a prime (425661037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26603807 + ... + 26603822.

Almost surely, 2^425661032 is an apocalyptic number.

It is an amenable number.

425661032 is a deficient number, since it is larger than the sum of its proper divisors (372453418).

425661032 is a wasteful number, since it uses less digits than its factorization.

425661032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53207635 (or 53207631 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 425661032 is about 20631.5542797919. The cubic root of 425661032 is about 752.2368962791.

The spelling of 425661032 in words is "four hundred twenty-five million, six hundred sixty-one thousand, thirty-two".