25067053081 has 4 divisors (see below), whose sum is σ = 28648060672. Its totient is φ = 21486045492.

The previous prime is 25067053073. The next prime is 25067053087. The reversal of 25067053081 is 18035076052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25067053081 - 2³ = 25067053073 is a prime.

It is a super-3 number, since 3×25067053081³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 25067053081.

It is not an unprimeable number, because it can be changed into a prime (25067053087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790503785 + ... + 1790503798.

It is an arithmetic number, because the mean of its divisors is an integer number (7162015168).

Almost surely, 2^25067053081 is an apocalyptic number.

It is an amenable number.

25067053081 is a deficient number, since it is larger than the sum of its proper divisors (3581007591).

25067053081 is an equidigital number, since it uses as much as digits as its factorization.

25067053081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3581007590.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 25067053081 in words is "twenty-five billion, sixty-seven million, fifty-three thousand, eighty-one".