30053525 has 12 divisors (see below), whose sum is σ = 38887392. Its totient is φ = 22997040.

The previous prime is 30053489. The next prime is 30053531. The reversal of 30053525 is 52535003.

It is a happy number.

It is not a de Polignac number, because 30053525 - 2⁶ = 30053461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 30053525.

It is a congruent number.

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, 25559 + ... + 26708.

It is an arithmetic number, because the mean of its divisors is an integer number (3240616).

Almost surely, 2^30053525 is an apocalyptic number.

It is an amenable number.

30053525 is a deficient number, since it is larger than the sum of its proper divisors (8833867).

30053525 is a wasteful number, since it uses less digits than its factorization.

30053525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52300 (or 52295 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 30053525 is about 5482.1095392194. The cubic root of 30053525 is about 310.9079348252.

Adding to 30053525 its reverse (52535003), we get a palindrome (82588528).

The spelling of 30053525 in words is "thirty million, fifty-three thousand, five hundred twenty-five".