30402425 has 12 divisors (see below), whose sum is σ = 37902336. Its totient is φ = 24190800.

The previous prime is 30402401. The next prime is 30402457. The reversal of 30402425 is 52420403.

It is not a de Polignac number, because 30402425 - 2²² = 26208121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30402397 and 30402406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1592 + ... + 7958.

It is an arithmetic number, because the mean of its divisors is an integer number (3158528).

Almost surely, 2^30402425 is an apocalyptic number.

It is an amenable number.

30402425 is a deficient number, since it is larger than the sum of its proper divisors (7499911).

30402425 is a wasteful number, since it uses less digits than its factorization.

30402425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568 (or 6563 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 30402425 is about 5513.8394064390. The cubic root of 30402425 is about 312.1064485834.

Adding to 30402425 its reverse (52420403), we get a palindrome (82822828).

The spelling of 30402425 in words is "thirty million, four hundred two thousand, four hundred twenty-five".