125280413 has 2 divisors, whose sum is σ = 125280414. Its totient is φ = 125280412.

The previous prime is 125280391. The next prime is 125280431. The reversal of 125280413 is 314082521.

Together with next prime (125280431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96098809 + 29181604 = 9803^2 + 5402^2 .

It is a cyclic number.

It is not a de Polignac number, because 125280413 - 2¹⁰ = 125279389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125280443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62640206 + 62640207.

It is an arithmetic number, because the mean of its divisors is an integer number (62640207).

Almost surely, 2^125280413 is an apocalyptic number.

It is an amenable number.

125280413 is a deficient number, since it is larger than the sum of its proper divisors (1).

125280413 is an equidigital number, since it uses as much as digits as its factorization.

125280413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 125280413 is about 11192.8733129612. The cubic root of 125280413 is about 500.3736047694.

The spelling of 125280413 in words is "one hundred twenty-five million, two hundred eighty thousand, four hundred thirteen".