152501531 has 16 divisors (see below), whose sum is σ = 192771264. Its totient is φ = 117396864.

The previous prime is 152501507. The next prime is 152501563. The reversal of 152501531 is 135105251.

It is a happy number.

It is not a de Polignac number, because 152501531 - 2¹⁰ = 152500507 is a prime.

It is a super-2 number, since 2×152501531² = 46513433914687922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152501497 and 152501506.

It is not an unprimeable number, because it can be changed into a prime (152501501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19280 + ... + 26013.

It is an arithmetic number, because the mean of its divisors is an integer number (12048204).

Almost surely, 2^152501531 is an apocalyptic number.

152501531 is a deficient number, since it is larger than the sum of its proper divisors (40269733).

152501531 is a wasteful number, since it uses less digits than its factorization.

152501531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45350.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 152501531 is about 12349.1510234510. The cubic root of 152501531 is about 534.2666529581.

Adding to 152501531 its reverse (135105251), we get a palindrome (287606782).

The spelling of 152501531 in words is "one hundred fifty-two million, five hundred one thousand, five hundred thirty-one".