2425440631 has 4 divisors (see below), whose sum is σ = 2426668200. Its totient is φ = 2424213064.

The previous prime is 2425440571. The next prime is 2425440637. The reversal of 2425440631 is 1360445242.

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

It is a cyclic number.

It is not a de Polignac number, because 2425440631 - 2¹¹ = 2425438583 is a prime.

It is a super-2 number, since 2×2425440631² = 11765524509011356322, 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 = 2425440593 and 2425440602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2425440637) 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, 610816 + ... + 614773.

It is an arithmetic number, because the mean of its divisors is an integer number (606667050).

Almost surely, 2^2425440631 is an apocalyptic number.

2425440631 is a deficient number, since it is larger than the sum of its proper divisors (1227569).

2425440631 is a wasteful number, since it uses less digits than its factorization.

2425440631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227568.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 2425440631 is about 49248.7627357277. The cubic root of 2425440631 is about 1343.5800589386.

Adding to 2425440631 its reverse (1360445242), we get a palindrome (3785885873).

The spelling of 2425440631 in words is "two billion, four hundred twenty-five million, four hundred forty thousand, six hundred thirty-one".