25625134079 has 4 divisors (see below), whose sum is σ = 25630224480. Its totient is φ = 25620043680.

The previous prime is 25625134069. The next prime is 25625134103. The reversal of 25625134079 is 97043152652.

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 25625134079 - 2¹⁶ = 25625068543 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 (25625134069) 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, 2537642 + ... + 2547719.

It is an arithmetic number, because the mean of its divisors is an integer number (6407556120).

Almost surely, 2^25625134079 is an apocalyptic number.

25625134079 is a deficient number, since it is larger than the sum of its proper divisors (5090401).

25625134079 is an equidigital number, since it uses as much as digits as its factorization.

25625134079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090400.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 25625134079 in words is "twenty-five billion, six hundred twenty-five million, one hundred thirty-four thousand, seventy-nine".