30963425 has 6 divisors (see below), whose sum is σ = 38394678. Its totient is φ = 24770720.

The previous prime is 30963403. The next prime is 30963431. The reversal of 30963425 is 52436903.

It can be written as a sum of positive squares in 3 ways, for example, as 5329 + 30958096 = 73^2 + 5564^2 .

It is not a de Polignac number, because 30963425 - 2¹⁴ = 30947041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30963391 and 30963400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619244 + ... + 619293.

It is an arithmetic number, because the mean of its divisors is an integer number (6399113).

Almost surely, 2^30963425 is an apocalyptic number.

It is an amenable number.

30963425 is a deficient number, since it is larger than the sum of its proper divisors (7431253).

30963425 is a wasteful number, since it uses less digits than its factorization.

30963425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238547 (or 1238542 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 30963425 is about 5564.4788614928. The cubic root of 30963425 is about 314.0144725367.

The spelling of 30963425 in words is "thirty million, nine hundred sixty-three thousand, four hundred twenty-five".