25483221277 has 4 divisors (see below), whose sum is σ = 25483620096. Its totient is φ = 25482822460.

The previous prime is 25483221263. The next prime is 25483221311. The reversal of 25483221277 is 77212238452.

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 25483221277 - 2¹⁹ = 25482696989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25483321277) 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, 79549 + ... + 239362.

It is an arithmetic number, because the mean of its divisors is an integer number (6370905024).

Almost surely, 2^25483221277 is an apocalyptic number.

It is an amenable number.

25483221277 is a deficient number, since it is larger than the sum of its proper divisors (398819).

25483221277 is an equidigital number, since it uses as much as digits as its factorization.

25483221277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398818.

The product of its digits is 376320, while the sum is 43.

The spelling of 25483221277 in words is "twenty-five billion, four hundred eighty-three million, two hundred twenty-one thousand, two hundred seventy-seven".