152522431 has 2 divisors, whose sum is σ = 152522432. Its totient is φ = 152522430.

The previous prime is 152522389. The next prime is 152522437. The reversal of 152522431 is 134225251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152522431 - 2¹³ = 152514239 is a prime.

It is a super-2 number, since 2×152522431² = 46526183916299522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152522396 and 152522405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152522437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76261215 + 76261216.

It is an arithmetic number, because the mean of its divisors is an integer number (76261216).

Almost surely, 2^152522431 is an apocalyptic number.

152522431 is a deficient number, since it is larger than the sum of its proper divisors (1).

152522431 is an equidigital number, since it uses as much as digits as its factorization.

152522431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 25.

The square root of 152522431 is about 12349.9972064774. The cubic root of 152522431 is about 534.2910585338.

Adding to 152522431 its reverse (134225251), we get a palindrome (286747682).

The spelling of 152522431 in words is "one hundred fifty-two million, five hundred twenty-two thousand, four hundred thirty-one".