30520952 has 32 divisors (see below), whose sum is σ = 71349120. Its totient is φ = 11891040.

The previous prime is 30520937. The next prime is 30520969. The reversal of 30520952 is 25902503.

It is a super-3 number, since 3×30520952³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24158 + ... + 25389.

It is an arithmetic number, because the mean of its divisors is an integer number (2229660).

Almost surely, 2^30520952 is an apocalyptic number.

It is an amenable number.

30520952 is an abundant number, since it is smaller than the sum of its proper divisors (40828168).

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

30520952 is a wasteful number, since it uses less digits than its factorization.

30520952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49571 (or 49567 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 30520952 is about 5524.5770878865. The cubic root of 30520952 is about 312.5115157356.

The spelling of 30520952 in words is "thirty million, five hundred twenty thousand, nine hundred fifty-two".