30825402 has 16 divisors (see below), whose sum is σ = 62262432. Its totient is φ = 10173200.

The previous prime is 30825401. The next prime is 30825407. The reversal of 30825402 is 20452803.

It is not an unprimeable number, because it can be changed into a prime (30825401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24828 + ... + 26039.

It is an arithmetic number, because the mean of its divisors is an integer number (3891402).

Almost surely, 2^30825402 is an apocalyptic number.

30825402 is an abundant number, since it is smaller than the sum of its proper divisors (31437030).

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

30825402 is a wasteful number, since it uses less digits than its factorization.

30825402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50973.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 30825402 is about 5552.0628598747. The cubic root of 30825402 is about 313.5471924153.

The spelling of 30825402 in words is "thirty million, eight hundred twenty-five thousand, four hundred two".