30425256 has 24 divisors (see below), whose sum is σ = 82401930. Its totient is φ = 10141728.

The previous prime is 30425221. The next prime is 30425267. The reversal of 30425256 is 65252403.

It can be written as a sum of positive squares in only one way, i.e., 30140100 + 285156 = 5490^2 + 534^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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, 211215 + ... + 211358.

Almost surely, 2^30425256 is an apocalyptic number.

30425256 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30425256 is an abundant number, since it is smaller than the sum of its proper divisors (51976674).

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

30425256 is a wasteful number, since it uses less digits than its factorization.

30425256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422585 (or 422578 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 30425256 is about 5515.9093538600. The cubic root of 30425256 is about 312.1845555037.

Adding to 30425256 its reverse (65252403), we get a palindrome (95677659).

The spelling of 30425256 in words is "thirty million, four hundred twenty-five thousand, two hundred fifty-six".