125665333 has 2 divisors, whose sum is σ = 125665334. Its totient is φ = 125665332.

The previous prime is 125665321. The next prime is 125665349. The reversal of 125665333 is 333566521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93663684 + 32001649 = 9678^2 + 5657^2 .

It is an emirp because it is prime and its reverse (333566521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125665333 - 2¹³ = 125657141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125665303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62832666 + 62832667.

It is an arithmetic number, because the mean of its divisors is an integer number (62832667).

Almost surely, 2^125665333 is an apocalyptic number.

It is an amenable number.

125665333 is a deficient number, since it is larger than the sum of its proper divisors (1).

125665333 is an equidigital number, since it uses as much as digits as its factorization.

125665333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 34.

The square root of 125665333 is about 11210.0549954048. The cubic root of 125665333 is about 500.8855413737.

The spelling of 125665333 in words is "one hundred twenty-five million, six hundred sixty-five thousand, three hundred thirty-three".