152129531 has 2 divisors, whose sum is σ = 152129532. Its totient is φ = 152129530.

The previous prime is 152129519. The next prime is 152129543. The reversal of 152129531 is 135921251.

It is a balanced prime because it is at equal distance from previous prime (152129519) and next prime (152129543).

It is a cyclic number.

It is not a de Polignac number, because 152129531 - 2¹⁴ = 152113147 is a prime.

It is a super-2 number, since 2×152129531² = 46286788404559922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152129494 and 152129503.

It is not a weakly prime, because it can be changed into another prime (152129501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76064765 + 76064766.

It is an arithmetic number, because the mean of its divisors is an integer number (76064766).

Almost surely, 2^152129531 is an apocalyptic number.

152129531 is a deficient number, since it is larger than the sum of its proper divisors (1).

152129531 is an equidigital number, since it uses as much as digits as its factorization.

152129531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 29.

The square root of 152129531 is about 12334.0800629800. The cubic root of 152129531 is about 533.8318835154.

The spelling of 152129531 in words is "one hundred fifty-two million, one hundred twenty-nine thousand, five hundred thirty-one".