25502600461 has 8 divisors (see below), whose sum is σ = 28350285824. Its totient is φ = 22781478960.

The previous prime is 25502600449. The next prime is 25502600467. The reversal of 25502600461 is 16400620552.

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 25502600461 - 2²⁷ = 25368382733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25502600467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31640541 + ... + 31641346.

It is an arithmetic number, because the mean of its divisors is an integer number (3543785728).

Almost surely, 2^25502600461 is an apocalyptic number.

It is an amenable number.

25502600461 is a deficient number, since it is larger than the sum of its proper divisors (2847685363).

25502600461 is a wasteful number, since it uses less digits than its factorization.

25502600461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63281931.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 25502600461 in words is "twenty-five billion, five hundred two million, six hundred thousand, four hundred sixty-one".