125304253 has 4 divisors (see below), whose sum is σ = 130752288. Its totient is φ = 119856220.

The previous prime is 125304247. The next prime is 125304269. The reversal of 125304253 is 352403521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 125304253 - 2²¹ = 123207101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125304653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723983 + ... + 2724028.

It is an arithmetic number, because the mean of its divisors is an integer number (32688072).

Almost surely, 2^125304253 is an apocalyptic number.

It is an amenable number.

125304253 is a deficient number, since it is larger than the sum of its proper divisors (5448035).

125304253 is an equidigital number, since it uses as much as digits as its factorization.

125304253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448034.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 125304253 is about 11193.9382256648. The cubic root of 125304253 is about 500.4053419736.

Adding to 125304253 its reverse (352403521), we get a palindrome (477707774).

The spelling of 125304253 in words is "one hundred twenty-five million, three hundred four thousand, two hundred fifty-three".