30255325 has 24 divisors (see below), whose sum is σ = 40021992. Its totient is φ = 22609920.

The previous prime is 30255319. The next prime is 30255331. The reversal of 30255325 is 52355203.

It is an interprime number because it is at equal distance from previous prime (30255319) and next prime (30255331).

It can be written as a sum of positive squares in 12 ways, for example, as 1643524 + 28611801 = 1282^2 + 5349^2 .

It is not a de Polignac number, because 30255325 - 2³ = 30255317 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 30255325.

It is a congruent number.

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, 109087 + ... + 109363.

It is an arithmetic number, because the mean of its divisors is an integer number (1667583).

Almost surely, 2^30255325 is an apocalyptic number.

It is an amenable number.

30255325 is a deficient number, since it is larger than the sum of its proper divisors (9766667).

30255325 is a wasteful number, since it uses less digits than its factorization.

30255325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 30255325 is about 5500.4840696070. The cubic root of 30255325 is about 311.6022661730.

The spelling of 30255325 in words is "thirty million, two hundred fifty-five thousand, three hundred twenty-five".