152930561 has 4 divisors (see below), whose sum is σ = 174777792. Its totient is φ = 131083332.

The previous prime is 152930539. The next prime is 152930587. The reversal of 152930561 is 165039251.

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: 165039251 = 13 ⋅12695327.

It is a cyclic number.

It is not a de Polignac number, because 152930561 - 2²² = 148736257 is a prime.

It is a super-3 number, since 3×152930561³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (152930761) 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, 10923605 + ... + 10923618.

It is an arithmetic number, because the mean of its divisors is an integer number (43694448).

Almost surely, 2^152930561 is an apocalyptic number.

It is an amenable number.

152930561 is a deficient number, since it is larger than the sum of its proper divisors (21847231).

152930561 is an equidigital number, since it uses as much as digits as its factorization.

152930561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21847230.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 152930561 is about 12366.5096530913. The cubic root of 152930561 is about 534.7671983312.

The spelling of 152930561 in words is "one hundred fifty-two million, nine hundred thirty thousand, five hundred sixty-one".