25254001022 has 8 divisors (see below), whose sum is σ = 38271527616. Its totient is φ = 12496825152.

The previous prime is 25254001013. The next prime is 25254001033. The reversal of 25254001022 is 22010045252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 65087438 + ... + 65087825.

It is an arithmetic number, because the mean of its divisors is an integer number (4783940952).

Almost surely, 2^25254001022 is an apocalyptic number.

25254001022 is a deficient number, since it is larger than the sum of its proper divisors (13017526594).

25254001022 is a wasteful number, since it uses less digits than its factorization.

25254001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130175362.

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 25254001022 its reverse (22010045252), we get a palindrome (47264046274).

The spelling of 25254001022 in words is "twenty-five billion, two hundred fifty-four million, one thousand, twenty-two".