25230013106251 has 4 divisors (see below), whose sum is σ = 25310620177192. Its totient is φ = 25149406035312.

The previous prime is 25230013106227. The next prime is 25230013106297. The reversal of 25230013106251 is 15260131003252.

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

It is a cyclic number.

It is not a de Polignac number, because 25230013106251 - 2⁵ = 25230013106219 is a prime.

It is a super-2 number, since 2×25230013106251² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25230013106651) 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, 40303535001 + ... + 40303535626.

It is an arithmetic number, because the mean of its divisors is an integer number (6327655044298).

Almost surely, 2^{25230013106251} is an apocalyptic number.

25230013106251 is a deficient number, since it is larger than the sum of its proper divisors (80607070941).

25230013106251 is an equidigital number, since it uses as much as digits as its factorization.

25230013106251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80607070940.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 25230013106251 in words is "twenty-five trillion, two hundred thirty billion, thirteen million, one hundred six thousand, two hundred fifty-one".