25465682951 has 4 divisors (see below), whose sum is σ = 25466379504. Its totient is φ = 25464986400.

The previous prime is 25465682947. The next prime is 25465682987. The reversal of 25465682951 is 15928656452.

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 25465682951 - 2² = 25465682947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25465682893 and 25465682902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25465682911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290210 + ... + 367631.

It is an arithmetic number, because the mean of its divisors is an integer number (6366594876).

Almost surely, 2^25465682951 is an apocalyptic number.

25465682951 is a deficient number, since it is larger than the sum of its proper divisors (696553).

25465682951 is an equidigital number, since it uses as much as digits as its factorization.

25465682951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696552.

The product of its digits is 5184000, while the sum is 53.

The spelling of 25465682951 in words is "twenty-five billion, four hundred sixty-five million, six hundred eighty-two thousand, nine hundred fifty-one".