25345254421002 has 32 divisors (see below), whose sum is σ = 50908078670400. Its totient is φ = 8412192465408.

The previous prime is 25345254420911. The next prime is 25345254421037. The reversal of 25345254421002 is 20012445254352.

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, 1674727 + ... + 7314042.

It is an arithmetic number, because the mean of its divisors is an integer number (1590877458450).

Almost surely, 2^{25345254421002} is an apocalyptic number.

25345254421002 is an abundant number, since it is smaller than the sum of its proper divisors (25562824249398).

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

25345254421002 is a wasteful number, since it uses less digits than its factorization.

25345254421002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8990790.

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 25345254421002 its reverse (20012445254352), we get a palindrome (45357699675354).

The spelling of 25345254421002 in words is "twenty-five trillion, three hundred forty-five billion, two hundred fifty-four million, four hundred twenty-one thousand, two".