1625713403 has 4 divisors (see below), whose sum is σ = 1625810088. Its totient is φ = 1625616720.

The previous prime is 1625713387. The next prime is 1625713421. The reversal of 1625713403 is 3043175261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1625713403 - 2⁴ = 1625713387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1625713403.

It is not an unprimeable number, because it can be changed into a prime (1625713493) 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, 15833 + ... + 59178.

It is an arithmetic number, because the mean of its divisors is an integer number (406452522).

Almost surely, 2^1625713403 is an apocalyptic number.

1625713403 is a deficient number, since it is larger than the sum of its proper divisors (96685).

1625713403 is an equidigital number, since it uses as much as digits as its factorization.

1625713403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96684.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1625713403 is about 40320.1364457017. The cubic root of 1625713403 is about 1175.8393647633.

Adding to 1625713403 its reverse (3043175261), we get a palindrome (4668888664).

The spelling of 1625713403 in words is "one billion, six hundred twenty-five million, seven hundred thirteen thousand, four hundred three".