30532137 has 4 divisors (see below), whose sum is σ = 40709520. Its totient is φ = 20354756.

The previous prime is 30532127. The next prime is 30532171. The reversal of 30532137 is 73123503.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73123503 = 3 ⋅24374501.

It is a cyclic number.

It is not a de Polignac number, because 30532137 - 2⁴ = 30532121 is a prime.

It is a super-2 number, since 2×30532137² = 1864422779573538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30532127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5088687 + ... + 5088692.

It is an arithmetic number, because the mean of its divisors is an integer number (10177380).

Almost surely, 2^30532137 is an apocalyptic number.

It is an amenable number.

30532137 is a deficient number, since it is larger than the sum of its proper divisors (10177383).

30532137 is a wasteful number, since it uses less digits than its factorization.

30532137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10177382.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 30532137 is about 5525.5892898405. The cubic root of 30532137 is about 312.5496863930.

The spelling of 30532137 in words is "thirty million, five hundred thirty-two thousand, one hundred thirty-seven".