25672074541 has 8 divisors (see below), whose sum is σ = 26206885400. Its totient is φ = 25140939840.

The previous prime is 25672074517. The next prime is 25672074581. The reversal of 25672074541 is 14547027652.

It can be written as a sum of positive squares in 4 ways, for example, as 10971724516 + 14700350025 = 104746^2 + 121245^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25672074541 - 2⁵ = 25672074509 is a prime.

It is a super-2 number, since 2×25672074541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25672074511) 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, 904926 + ... + 932863.

It is an arithmetic number, because the mean of its divisors is an integer number (3275860675).

Almost surely, 2^25672074541 is an apocalyptic number.

It is an amenable number.

25672074541 is a deficient number, since it is larger than the sum of its proper divisors (534810859).

25672074541 is a wasteful number, since it uses less digits than its factorization.

25672074541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838079.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 25672074541 in words is "twenty-five billion, six hundred seventy-two million, seventy-four thousand, five hundred forty-one".