125320253 has 2 divisors, whose sum is σ = 125320254. Its totient is φ = 125320252.

The previous prime is 125320229. The next prime is 125320267. The reversal of 125320253 is 352023521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97673689 + 27646564 = 9883^2 + 5258^2 .

It is an emirp because it is prime and its reverse (352023521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125320253 - 2²⁴ = 108543037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125320213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62660126 + 62660127.

It is an arithmetic number, because the mean of its divisors is an integer number (62660127).

Almost surely, 2^125320253 is an apocalyptic number.

It is an amenable number.

125320253 is a deficient number, since it is larger than the sum of its proper divisors (1).

125320253 is an equidigital number, since it uses as much as digits as its factorization.

125320253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 125320253 is about 11194.6528753687. The cubic root of 125320253 is about 500.4266398533.

Adding to 125320253 its reverse (352023521), we get a palindrome (477343774).

The spelling of 125320253 in words is "one hundred twenty-five million, three hundred twenty thousand, two hundred fifty-three".