125381290313 has 2 divisors, whose sum is σ = 125381290314. Its totient is φ = 125381290312.

The previous prime is 125381290297. The next prime is 125381290369. The reversal of 125381290313 is 313092183521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124081471504 + 1299818809 = 352252^2 + 36053^2 .

It is a cyclic number.

It is not a de Polignac number, because 125381290313 - 2⁴ = 125381290297 is a prime.

It is not a weakly prime, because it can be changed into another prime (125381290393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62690645156 + 62690645157.

It is an arithmetic number, because the mean of its divisors is an integer number (62690645157).

Almost surely, 2^125381290313 is an apocalyptic number.

It is an amenable number.

125381290313 is a deficient number, since it is larger than the sum of its proper divisors (1).

125381290313 is an equidigital number, since it uses as much as digits as its factorization.

125381290313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 125381290313 in words is "one hundred twenty-five billion, three hundred eighty-one million, two hundred ninety thousand, three hundred thirteen".