152663531 has 2 divisors, whose sum is σ = 152663532. Its totient is φ = 152663530.

The previous prime is 152663491. The next prime is 152663543. The reversal of 152663531 is 135366251.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152663531 is a prime.

It is a super-2 number, since 2×152663531² = 46612307394775922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (152663431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76331765 + 76331766.

It is an arithmetic number, because the mean of its divisors is an integer number (76331766).

Almost surely, 2^152663531 is an apocalyptic number.

152663531 is a deficient number, since it is larger than the sum of its proper divisors (1).

152663531 is an equidigital number, since it uses as much as digits as its factorization.

152663531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 152663531 is about 12355.7084378032. The cubic root of 152663531 is about 534.4557670563.

The spelling of 152663531 in words is "one hundred fifty-two million, six hundred sixty-three thousand, five hundred thirty-one".