2402500431 has 4 divisors (see below), whose sum is σ = 3203333912. Its totient is φ = 1601666952.

The previous prime is 2402500427. The next prime is 2402500439. The reversal of 2402500431 is 1340052042.

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

It is not a de Polignac number, because 2402500431 - 2² = 2402500427 is a prime.

It is a super-2 number, since 2×2402500431² = 11544016641910371522, 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 = 2402500398 and 2402500407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402500439) 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, 400416736 + ... + 400416741.

It is an arithmetic number, because the mean of its divisors is an integer number (800833478).

Almost surely, 2^2402500431 is an apocalyptic number.

2402500431 is a deficient number, since it is larger than the sum of its proper divisors (800833481).

2402500431 is an equidigital number, since it uses as much as digits as its factorization.

2402500431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800833480.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2402500431 is about 49015.3081291957. The cubic root of 2402500431 is about 1339.3307029231.

Adding to 2402500431 its reverse (1340052042), we get a palindrome (3742552473).

The spelling of 2402500431 in words is "two billion, four hundred two million, five hundred thousand, four hundred thirty-one".