30434425 has 24 divisors (see below), whose sum is σ = 43852352. Its totient is φ = 20520000.

The previous prime is 30434399. The next prime is 30434441. The reversal of 30434425 is 52443403.

It is not a de Polignac number, because 30434425 - 2⁷ = 30434297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30434425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9250 + ... + 12100.

Almost surely, 2^30434425 is an apocalyptic number.

30434425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30434425 is a deficient number, since it is larger than the sum of its proper divisors (13417927).

30434425 is a wasteful number, since it uses less digits than its factorization.

30434425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929 (or 2924 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 30434425 is about 5516.7404325380. The cubic root of 30434425 is about 312.2159124866.

Adding to 30434425 its reverse (52443403), we get a palindrome (82877828).

The spelling of 30434425 in words is "thirty million, four hundred thirty-four thousand, four hundred twenty-five".