150625081 has 2 divisors, whose sum is σ = 150625082. Its totient is φ = 150625080.

The previous prime is 150625073. The next prime is 150625133. The reversal of 150625081 is 180526051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89472681 + 61152400 = 9459^2 + 7820^2 .

It is a cyclic number.

It is not a de Polignac number, because 150625081 - 2³ = 150625073 is a prime.

It is a super-2 number, since 2×150625081² = 45375830052513122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (150625031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75312540 + 75312541.

It is an arithmetic number, because the mean of its divisors is an integer number (75312541).

Almost surely, 2^150625081 is an apocalyptic number.

It is an amenable number.

150625081 is a deficient number, since it is larger than the sum of its proper divisors (1).

150625081 is an equidigital number, since it uses as much as digits as its factorization.

150625081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 150625081 is about 12272.9410085766. The cubic root of 150625081 is about 532.0663147308.

The spelling of 150625081 in words is "one hundred fifty million, six hundred twenty-five thousand, eighty-one".