25380579 has 12 divisors (see below), whose sum is σ = 39366024. Its totient is φ = 14503104.

The previous prime is 25380577. The next prime is 25380601. The reversal of 25380579 is 97508352.

It is not a de Polignac number, because 25380579 - 2¹ = 25380577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25380571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86182 + ... + 86475.

It is an arithmetic number, because the mean of its divisors is an integer number (3280502).

Almost surely, 2^25380579 is an apocalyptic number.

25380579 is a deficient number, since it is larger than the sum of its proper divisors (13985445).

25380579 is a wasteful number, since it uses less digits than its factorization.

25380579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172674 (or 172667 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 25380579 is about 5037.9141517100. The cubic root of 25380579 is about 293.8780673509.

The spelling of 25380579 in words is "twenty-five million, three hundred eighty thousand, five hundred seventy-nine".