25250400002 has 16 divisors (see below), whose sum is σ = 38032727040. Its totient is φ = 12572865168.

The previous prime is 25250400001. The next prime is 25250400041. The reversal of 25250400002 is 20000405252.

It is a super-2 number, since 2×25250400002² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25250400001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436873 + ... + 1454339.

It is an arithmetic number, because the mean of its divisors is an integer number (2377045440).

Almost surely, 2^25250400002 is an apocalyptic number.

25250400002 is a deficient number, since it is larger than the sum of its proper divisors (12782327038).

25250400002 is a wasteful number, since it uses less digits than its factorization.

25250400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20425.

The product of its (nonzero) digits is 800, while the sum is 20.

Adding to 25250400002 its reverse (20000405252), we get a palindrome (45250805254).

The spelling of 25250400002 in words is "twenty-five billion, two hundred fifty million, four hundred thousand, two".