2503406253 has 16 divisors (see below), whose sum is σ = 3386880000. Its totient is φ = 1644462960.

The previous prime is 2503406221. The next prime is 2503406287. The reversal of 2503406253 is 3526043052.

It is not a de Polignac number, because 2503406253 - 2⁵ = 2503406221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2503406253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503405253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636828 + ... + 640746.

It is an arithmetic number, because the mean of its divisors is an integer number (211680000).

Almost surely, 2^2503406253 is an apocalyptic number.

It is an amenable number.

2503406253 is a deficient number, since it is larger than the sum of its proper divisors (883473747).

2503406253 is a wasteful number, since it uses less digits than its factorization.

2503406253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6992.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 2503406253 is about 50034.0509353380. The cubic root of 2503406253 is about 1357.8249281041.

The spelling of 2503406253 in words is "two billion, five hundred three million, four hundred six thousand, two hundred fifty-three".