25042252002 has 16 divisors (see below), whose sum is σ = 50647252320. Its totient is φ = 8253625952.

The previous prime is 25042251967. The next prime is 25042252003. The reversal of 25042252002 is 20025224052.

It is a happy number.

It is a super-2 number, since 2×25042252002² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25042252003) 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, 23447268 + ... + 23448335.

It is an arithmetic number, because the mean of its divisors is an integer number (3165453270).

Almost surely, 2^25042252002 is an apocalyptic number.

25042252002 is an abundant number, since it is smaller than the sum of its proper divisors (25605000318).

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

25042252002 is a wasteful number, since it uses less digits than its factorization.

25042252002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46895697.

The product of its (nonzero) digits is 3200, while the sum is 24.

Adding to 25042252002 its reverse (20025224052), we get a palindrome (45067476054).

The spelling of 25042252002 in words is "twenty-five billion, forty-two million, two hundred fifty-two thousand, two".