125590519 has 2 divisors, whose sum is σ = 125590520. Its totient is φ = 125590518.

The previous prime is 125590499. The next prime is 125590529. The reversal of 125590519 is 915095521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125590519 is a prime.

It is a super-2 number, since 2×125590519² = 31545956925378722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125590529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62795259 + 62795260.

It is an arithmetic number, because the mean of its divisors is an integer number (62795260).

Almost surely, 2^125590519 is an apocalyptic number.

125590519 is a deficient number, since it is larger than the sum of its proper divisors (1).

125590519 is an equidigital number, since it uses as much as digits as its factorization.

125590519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 37.

The square root of 125590519 is about 11206.7175836638. The cubic root of 125590519 is about 500.7861220432.

The spelling of 125590519 in words is "one hundred twenty-five million, five hundred ninety thousand, five hundred nineteen".