2502631 has 4 divisors (see below), whose sum is σ = 2515792. Its totient is φ = 2489472.

The previous prime is 2502629. The next prime is 2502637. The reversal of 2502631 is 1362052.

It is a happy number.

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 2502631 - 2¹ = 2502629 is a prime.

It is a super-2 number, since 2×2502631² = 12526323844322, 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 = 2502599 and 2502608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502637) 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, 6291 + ... + 6676.

It is an arithmetic number, because the mean of its divisors is an integer number (628948).

2^2502631 is an apocalyptic number.

2502631 is a deficient number, since it is larger than the sum of its proper divisors (13161).

2502631 is a wasteful number, since it uses less digits than its factorization.

2502631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13160.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2502631 is about 1581.9706065537. The cubic root of 2502631 is about 135.7684750226.

Adding to 2502631 its reverse (1362052), we get a palindrome (3864683).

The spelling of 2502631 in words is "two million, five hundred two thousand, six hundred thirty-one".