30153252 has 12 divisors (see below), whose sum is σ = 70357616. Its totient is φ = 10051080.

The previous prime is 30153241. The next prime is 30153269. The reversal of 30153252 is 25235103.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256374 + ... + 1256397.

Almost surely, 2^30153252 is an apocalyptic number.

It is an amenable number.

30153252 is an abundant number, since it is smaller than the sum of its proper divisors (40204364).

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

30153252 is a wasteful number, since it uses less digits than its factorization.

30153252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512778 (or 2512776 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30153252 is about 5491.1976835659. The cubic root of 30153252 is about 311.2514517440.

Adding to 30153252 its reverse (25235103), we get a palindrome (55388355).

The spelling of 30153252 in words is "thirty million, one hundred fifty-three thousand, two hundred fifty-two".