152212531 has 2 divisors, whose sum is σ = 152212532. Its totient is φ = 152212530.

The previous prime is 152212523. The next prime is 152212537. The reversal of 152212531 is 135212251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152212531 - 2³ = 152212523 is a prime.

It is a super-2 number, since 2×152212531² = 46337309186851922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (152212537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76106265 + 76106266.

It is an arithmetic number, because the mean of its divisors is an integer number (76106266).

Almost surely, 2^152212531 is an apocalyptic number.

152212531 is a deficient number, since it is larger than the sum of its proper divisors (1).

152212531 is an equidigital number, since it uses as much as digits as its factorization.

152212531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 22.

The square root of 152212531 is about 12337.4442653250. Note that the first 3 decimals coincide. The cubic root of 152212531 is about 533.9289499003.

Adding to 152212531 its reverse (135212251), we get a palindrome (287424782).

The spelling of 152212531 in words is "one hundred fifty-two million, two hundred twelve thousand, five hundred thirty-one".