125274493 has 2 divisors, whose sum is σ = 125274494. Its totient is φ = 125274492.

The previous prime is 125274439. The next prime is 125274509. The reversal of 125274493 is 394472521.

Together with previous prime (125274439) 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., 113998329 + 11276164 = 10677^2 + 3358^2 .

It is a cyclic number.

It is not a de Polignac number, because 125274493 - 2²⁵ = 91720061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125274593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62637246 + 62637247.

It is an arithmetic number, because the mean of its divisors is an integer number (62637247).

Almost surely, 2^125274493 is an apocalyptic number.

It is an amenable number.

125274493 is a deficient number, since it is larger than the sum of its proper divisors (1).

125274493 is an equidigital number, since it uses as much as digits as its factorization.

125274493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 125274493 is about 11192.6088558477. The cubic root of 125274493 is about 500.3657230947.

It can be divided in two parts, 12527 and 4493, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 125274493 in words is "one hundred twenty-five million, two hundred seventy-four thousand, four hundred ninety-three".