25361063279 has 4 divisors (see below), whose sum is σ = 25979625840. Its totient is φ = 24742500720.

The previous prime is 25361063269. The next prime is 25361063303. The reversal of 25361063279 is 97236016352.

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 25361063279 - 2¹² = 25361059183 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 (25361063239) 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, 309281219 + ... + 309281300.

It is an arithmetic number, because the mean of its divisors is an integer number (6494906460).

Almost surely, 2^25361063279 is an apocalyptic number.

25361063279 is a deficient number, since it is larger than the sum of its proper divisors (618562561).

25361063279 is an equidigital number, since it uses as much as digits as its factorization.

25361063279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618562560.

The product of its (nonzero) digits is 408240, while the sum is 44.

The spelling of 25361063279 in words is "twenty-five billion, three hundred sixty-one million, sixty-three thousand, two hundred seventy-nine".