158233513 has 2 divisors, whose sum is σ = 158233514. Its totient is φ = 158233512.

The previous prime is 158233499. The next prime is 158233519. The reversal of 158233513 is 315332851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82682649 + 75550864 = 9093^2 + 8692^2 .

It is a cyclic number.

It is not a de Polignac number, because 158233513 - 2¹³ = 158225321 is a prime.

It is not a weakly prime, because it can be changed into another prime (158233519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79116756 + 79116757.

It is an arithmetic number, because the mean of its divisors is an integer number (79116757).

Almost surely, 2^158233513 is an apocalyptic number.

It is an amenable number.

158233513 is a deficient number, since it is larger than the sum of its proper divisors (1).

158233513 is an equidigital number, since it uses as much as digits as its factorization.

158233513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 158233513 is about 12579.0903089214. The cubic root of 158233513 is about 540.8782154522.

The spelling of 158233513 in words is "one hundred fifty-eight million, two hundred thirty-three thousand, five hundred thirteen".