125648893 has 2 divisors, whose sum is σ = 125648894. Its totient is φ = 125648892.

The previous prime is 125648863. The next prime is 125648899. The reversal of 125648893 is 398846521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124612569 + 1036324 = 11163^2 + 1018^2 .

It is an emirp because it is prime and its reverse (398846521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125648893 - 2¹³ = 125640701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125648899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62824446 + 62824447.

It is an arithmetic number, because the mean of its divisors is an integer number (62824447).

Almost surely, 2^125648893 is an apocalyptic number.

It is an amenable number.

125648893 is a deficient number, since it is larger than the sum of its proper divisors (1).

125648893 is an equidigital number, since it uses as much as digits as its factorization.

125648893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 46.

The square root of 125648893 is about 11209.3217011557. The cubic root of 125648893 is about 500.8636978596.

The spelling of 125648893 in words is "one hundred twenty-five million, six hundred forty-eight thousand, eight hundred ninety-three".