25672052190401 has 4 divisors (see below), whose sum is σ = 25672062376404. Its totient is φ = 25672042004400.

The previous prime is 25672052190361. The next prime is 25672052190403. The reversal of 25672052190401 is 10409125027652.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 19589909750401 + 6082142440000 = 4426049^2 + 2466200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25672052190401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25672052190403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1771991 + ... + 7381331.

It is an arithmetic number, because the mean of its divisors is an integer number (6418015594101).

Almost surely, 2^{25672052190401} is an apocalyptic number.

It is an amenable number.

25672052190401 is a deficient number, since it is larger than the sum of its proper divisors (10186003).

25672052190401 is an equidigital number, since it uses as much as digits as its factorization.

25672052190401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10186002.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 25672052190401 in words is "twenty-five trillion, six hundred seventy-two billion, fifty-two million, one hundred ninety thousand, four hundred one".