30161052 has 24 divisors (see below), whose sum is σ = 78195600. Its totient is φ = 10053648.

The previous prime is 30161039. The next prime is 30161059. The reversal of 30161052 is 25016103.

30161052 is a `hidden beast` number, since 3 + 0 + 1 + 610 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30161059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139527 + ... + 139742.

It is an arithmetic number, because the mean of its divisors is an integer number (3258150).

Almost surely, 2^30161052 is an apocalyptic number.

It is an amenable number.

30161052 is an abundant number, since it is smaller than the sum of its proper divisors (48034548).

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

30161052 is a wasteful number, since it uses less digits than its factorization.

30161052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279282 (or 279274 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 30161052 is about 5491.9078652141. The cubic root of 30161052 is about 311.2782874566.

Adding to 30161052 its reverse (25016103), we get a palindrome (55177155).

The spelling of 30161052 in words is "thirty million, one hundred sixty-one thousand, fifty-two".