425321530 has 8 divisors (see below), whose sum is σ = 765578772. Its totient is φ = 170128608.

The previous prime is 425321527. The next prime is 425321551. The reversal of 425321530 is 35123524.

It can be written as a sum of positive squares in 2 ways, for example, as 389549169 + 35772361 = 19737^2 + 5981^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 425321495 and 425321504.

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, 21266067 + ... + 21266086.

Almost surely, 2^425321530 is an apocalyptic number.

425321530 is a deficient number, since it is larger than the sum of its proper divisors (340257242).

425321530 is a wasteful number, since it uses less digits than its factorization.

425321530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42532160.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 425321530 is about 20623.3249016738. The cubic root of 425321530 is about 752.0368514554.

The spelling of 425321530 in words is "four hundred twenty-five million, three hundred twenty-one thousand, five hundred thirty".