150625889 has 2 divisors, whose sum is σ = 150625890. Its totient is φ = 150625888.

The previous prime is 150625837. The next prime is 150625963. The reversal of 150625889 is 988526051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134745664 + 15880225 = 11608^2 + 3985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150625889 is a prime.

It is not a weakly prime, because it can be changed into another prime (150627889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75312944 + 75312945.

It is an arithmetic number, because the mean of its divisors is an integer number (75312945).

Almost surely, 2^150625889 is an apocalyptic number.

It is an amenable number.

150625889 is a deficient number, since it is larger than the sum of its proper divisors (1).

150625889 is an equidigital number, since it uses as much as digits as its factorization.

150625889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 150625889 is about 12272.9739264776. The cubic root of 150625889 is about 532.0672661190.

The spelling of 150625889 in words is "one hundred fifty million, six hundred twenty-five thousand, eight hundred eighty-nine".