25323214251 has 4 divisors (see below), whose sum is σ = 33764285672. Its totient is φ = 16882142832.

The previous prime is 25323214243. The next prime is 25323214277. The reversal of 25323214251 is 15241232352.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25323214251 - 2³ = 25323214243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25323214451) 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 3 ways as a sum of consecutive naturals, for example, 4220535706 + ... + 4220535711.

It is an arithmetic number, because the mean of its divisors is an integer number (8441071418).

Almost surely, 2^25323214251 is an apocalyptic number.

25323214251 is a deficient number, since it is larger than the sum of its proper divisors (8441071421).

25323214251 is an equidigital number, since it uses as much as digits as its factorization.

25323214251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8441071420.

The product of its digits is 14400, while the sum is 30.

The spelling of 25323214251 in words is "twenty-five billion, three hundred twenty-three million, two hundred fourteen thousand, two hundred fifty-one".