125525413397 has 2 divisors, whose sum is σ = 125525413398. Its totient is φ = 125525413396.

The previous prime is 125525413393. The next prime is 125525413451. The reversal of 125525413397 is 793314525521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125117130961 + 408282436 = 353719^2 + 20206^2 .

It is a cyclic number.

It is not a de Polignac number, because 125525413397 - 2² = 125525413393 is a prime.

It is a super-4 number, since 4×125525413397⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125525413393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62762706698 + 62762706699.

It is an arithmetic number, because the mean of its divisors is an integer number (62762706699).

Almost surely, 2^125525413397 is an apocalyptic number.

It is an amenable number.

125525413397 is a deficient number, since it is larger than the sum of its proper divisors (1).

125525413397 is an equidigital number, since it uses as much as digits as its factorization.

125525413397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 47.

The spelling of 125525413397 in words is "one hundred twenty-five billion, five hundred twenty-five million, four hundred thirteen thousand, three hundred ninety-seven".