25346248705 has 4 divisors (see below), whose sum is σ = 30415498452. Its totient is φ = 20276998960.

The previous prime is 25346248661. The next prime is 25346248721. The reversal of 25346248705 is 50784264352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6710722561 + 18635526144 = 81919^2 + 136512^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25346248705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534624866 + ... + 2534624875.

It is an arithmetic number, because the mean of its divisors is an integer number (7603874613).

Almost surely, 2^25346248705 is an apocalyptic number.

It is an amenable number.

25346248705 is a deficient number, since it is larger than the sum of its proper divisors (5069249747).

25346248705 is an equidigital number, since it uses as much as digits as its factorization.

25346248705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069249746.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 25346248705 in words is "twenty-five billion, three hundred forty-six million, two hundred forty-eight thousand, seven hundred five".