30942501 has 4 divisors (see below), whose sum is σ = 41256672. Its totient is φ = 20628332.

The previous prime is 30942487. The next prime is 30942511. The reversal of 30942501 is 10524903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30942501 - 2¹⁸ = 30680357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30942511) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5157081 + ... + 5157086.

It is an arithmetic number, because the mean of its divisors is an integer number (10314168).

Almost surely, 2^30942501 is an apocalyptic number.

It is an amenable number.

30942501 is a deficient number, since it is larger than the sum of its proper divisors (10314171).

30942501 is a wasteful number, since it uses less digits than its factorization.

30942501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10314170.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 30942501 is about 5562.5984036240. The cubic root of 30942501 is about 313.9437232640.

The spelling of 30942501 in words is "thirty million, nine hundred forty-two thousand, five hundred one".