158625013 has 2 divisors, whose sum is σ = 158625014. Its totient is φ = 158625012.

The previous prime is 158625001. The next prime is 158625073. The reversal of 158625013 is 310526851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98763844 + 59861169 = 9938^2 + 7737^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158625013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158625073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79312506 + 79312507.

It is an arithmetic number, because the mean of its divisors is an integer number (79312507).

Almost surely, 2^158625013 is an apocalyptic number.

It is an amenable number.

158625013 is a deficient number, since it is larger than the sum of its proper divisors (1).

158625013 is an equidigital number, since it uses as much as digits as its factorization.

158625013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 158625013 is about 12594.6422339025. The cubic root of 158625013 is about 541.3239268087.

The spelling of 158625013 in words is "one hundred fifty-eight million, six hundred twenty-five thousand, thirteen".