30522425 has 6 divisors (see below), whose sum is σ = 37847838. Its totient is φ = 24417920.

The previous prime is 30522407. The next prime is 30522431. The reversal of 30522425 is 52422503.

It can be written as a sum of positive squares in 3 ways, for example, as 2601769 + 27920656 = 1613^2 + 5284^2 .

It is not a de Polignac number, because 30522425 - 2⁸ = 30522169 is a prime.

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 30522425.

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, 610424 + ... + 610473.

It is an arithmetic number, because the mean of its divisors is an integer number (6307973).

Almost surely, 2^30522425 is an apocalyptic number.

It is an amenable number.

30522425 is a deficient number, since it is larger than the sum of its proper divisors (7325413).

30522425 is a wasteful number, since it uses less digits than its factorization.

30522425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220907 (or 1220902 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 30522425 is about 5524.7103996499. The cubic root of 30522425 is about 312.5165431242.

Adding to 30522425 its reverse (52422503), we get a palindrome (82944928).

The spelling of 30522425 in words is "thirty million, five hundred twenty-two thousand, four hundred twenty-five".