2505253431 has 4 divisors (see below), whose sum is σ = 3340337912. Its totient is φ = 1670168952.

The previous prime is 2505253427. The next prime is 2505253441. The reversal of 2505253431 is 1343525052.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2505253431 - 2² = 2505253427 is a prime.

It is a super-2 number, since 2×2505253431² = 12552589507074543522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505253411) 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, 417542236 + ... + 417542241.

It is an arithmetic number, because the mean of its divisors is an integer number (835084478).

Almost surely, 2^2505253431 is an apocalyptic number.

2505253431 is a deficient number, since it is larger than the sum of its proper divisors (835084481).

2505253431 is an equidigital number, since it uses as much as digits as its factorization.

2505253431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835084480.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2505253431 is about 50052.5067404221. The cubic root of 2505253431 is about 1358.1588102155.

Adding to 2505253431 its reverse (1343525052), we get a palindrome (3848778483).

The spelling of 2505253431 in words is "two billion, five hundred five million, two hundred fifty-three thousand, four hundred thirty-one".