25152405002 has 16 divisors (see below), whose sum is σ = 37846609992. Its totient is φ = 12536908800.

The previous prime is 25152405001. The next prime is 25152405007. The reversal of 25152405002 is 20050425152.

It can be written as a sum of positive squares in 4 ways, for example, as 23156013241 + 1996391761 = 152171^2 + 44681^2 .

It is not an unprimeable number, because it can be changed into a prime (25152405001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380818 + ... + 1398914.

Almost surely, 2^25152405002 is an apocalyptic number.

25152405002 is a deficient number, since it is larger than the sum of its proper divisors (12694204990).

25152405002 is a wasteful number, since it uses less digits than its factorization.

25152405002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20233.

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 25152405002 in words is "twenty-five billion, one hundred fifty-two million, four hundred five thousand, two".