152620931 has 4 divisors (see below), whose sum is σ = 152645664. Its totient is φ = 152596200.

The previous prime is 152620927. The next prime is 152620957. The reversal of 152620931 is 139026251.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 152620931 - 2² = 152620927 is a prime.

It is a super-2 number, since 2×152620931² = 46586297158613522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152620894 and 152620903.

It is not an unprimeable number, because it can be changed into a prime (152620031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5366 + ... + 18276.

It is an arithmetic number, because the mean of its divisors is an integer number (38161416).

Almost surely, 2^152620931 is an apocalyptic number.

152620931 is a deficient number, since it is larger than the sum of its proper divisors (24733).

152620931 is a wasteful number, since it uses less digits than its factorization.

152620931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24732.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 152620931 is about 12353.9844179924. The cubic root of 152620931 is about 534.4060500226.

The spelling of 152620931 in words is "one hundred fifty-two million, six hundred twenty thousand, nine hundred thirty-one".