2500002522 has 32 divisors (see below), whose sum is σ = 5563896960. Its totient is φ = 832083840.

The previous prime is 2500002517. The next prime is 2500002587. The reversal of 2500002522 is 2252000052.

It is a super-2 number, since 2×2500002522² = 12500025220012720968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2500002495 and 2500002504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1947 + ... + 70737.

It is an arithmetic number, because the mean of its divisors is an integer number (173871780).

Almost surely, 2^2500002522 is an apocalyptic number.

2500002522 is an abundant number, since it is smaller than the sum of its proper divisors (3063894438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2500002522 is a wasteful number, since it uses less digits than its factorization.

2500002522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69475 (or 69469 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2500002522 is about 50000.0252199936. The cubic root of 2500002522 is about 1357.2092646814.

Adding to 2500002522 its reverse (2252000052), we get a palindrome (4752002574).

The spelling of 2500002522 in words is "two billion, five hundred million, two thousand, five hundred twenty-two".