25152779 has 8 divisors (see below), whose sum is σ = 25519200. Its totient is φ = 24788736.

The previous prime is 25152767. The next prime is 25152791. The reversal of 25152779 is 97725152.

It is an interprime number because it is at equal distance from previous prime (25152767) and next prime (25152791).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25152779 - 2²⁰ = 24104203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25152709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33482 + ... + 34224.

It is an arithmetic number, because the mean of its divisors is an integer number (3189900).

Almost surely, 2^25152779 is an apocalyptic number.

25152779 is a deficient number, since it is larger than the sum of its proper divisors (366421).

25152779 is an equidigital number, since it uses as much as digits as its factorization.

25152779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189.

The product of its digits is 44100, while the sum is 38.

The square root of 25152779 is about 5015.2546296275. The cubic root of 25152779 is about 292.9962025856.

The spelling of 25152779 in words is "twenty-five million, one hundred fifty-two thousand, seven hundred seventy-nine".