30542252 has 24 divisors (see below), whose sum is σ = 60065376. Its totient is φ = 13483008.

The previous prime is 30542243. The next prime is 30542261. The reversal of 30542252 is 25224503.

It is an interprime number because it is at equal distance from previous prime (30542243) and next prime (30542261).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11573 + ... + 13964.

It is an arithmetic number, because the mean of its divisors is an integer number (2502724).

Almost surely, 2^30542252 is an apocalyptic number.

It is an amenable number.

30542252 is a deficient number, since it is larger than the sum of its proper divisors (29523124).

30542252 is a wasteful number, since it uses less digits than its factorization.

30542252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25577 (or 25575 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 30542252 is about 5526.5045010386. The cubic root of 30542252 is about 312.5841974725.

Adding to 30542252 its reverse (25224503), we get a palindrome (55766755).

The spelling of 30542252 in words is "thirty million, five hundred forty-two thousand, two hundred fifty-two".