25280300279 has 16 divisors (see below), whose sum is σ = 29191317120. Its totient is φ = 21684948480.

The previous prime is 25280300207. The next prime is 25280300351. The reversal of 25280300279 is 97200308252.

It is an interprime number because it is at equal distance from previous prime (25280300207) and next prime (25280300351).

It is not a de Polignac number, because 25280300279 - 2²⁴ = 25263523063 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 (25280300779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706532 + ... + 741449.

It is an arithmetic number, because the mean of its divisors is an integer number (1824457320).

Almost surely, 2^25280300279 is an apocalyptic number.

25280300279 is a deficient number, since it is larger than the sum of its proper divisors (3911016841).

25280300279 is a wasteful number, since it uses less digits than its factorization.

25280300279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448090.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 25280300279 in words is "twenty-five billion, two hundred eighty million, three hundred thousand, two hundred seventy-nine".