2501144431 has 8 divisors (see below), whose sum is σ = 2657439360. Its totient is φ = 2354013664.

The previous prime is 2501144419. The next prime is 2501144441. The reversal of 2501144431 is 1344411052.

It is not a de Polignac number, because 2501144431 - 2¹⁵ = 2501111663 is a prime.

It is a super-2 number, since 2×2501144431² = 12511446929444627522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2501144396 and 2501144405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501144441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249631 + ... + 259456.

It is an arithmetic number, because the mean of its divisors is an integer number (332179920).

Almost surely, 2^2501144431 is an apocalyptic number.

2501144431 is a deficient number, since it is larger than the sum of its proper divisors (156294929).

2501144431 is an frugal number, since it uses more digits than its factorization.

2501144431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509138 (or 509104 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2501144431 is about 50011.4430005774. The cubic root of 2501144431 is about 1357.4158742821.

Adding to 2501144431 its reverse (1344411052), we get a palindrome (3845555483).

The spelling of 2501144431 in words is "two billion, five hundred one million, one hundred forty-four thousand, four hundred thirty-one".