152533531 has 2 divisors, whose sum is σ = 152533532. Its totient is φ = 152533530.

The previous prime is 152533487. The next prime is 152533541. The reversal of 152533531 is 135335251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152533531 - 2²¹ = 150436379 is a prime.

It is a super-2 number, since 2×152533531² = 46532956158655922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 152533531.

It is not a weakly prime, because it can be changed into another prime (152533541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76266765 + 76266766.

It is an arithmetic number, because the mean of its divisors is an integer number (76266766).

Almost surely, 2^152533531 is an apocalyptic number.

152533531 is a deficient number, since it is larger than the sum of its proper divisors (1).

152533531 is an equidigital number, since it uses as much as digits as its factorization.

152533531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6750, while the sum is 28.

The square root of 152533531 is about 12350.4465911156. The cubic root of 152533531 is about 534.3040194403.

Adding to 152533531 its reverse (135335251), we get a palindrome (287868782).

The spelling of 152533531 in words is "one hundred fifty-two million, five hundred thirty-three thousand, five hundred thirty-one".