25579378 has 16 divisors (see below), whose sum is σ = 41944320. Its totient is φ = 11602800.

The previous prime is 25579369. The next prime is 25579387. The reversal of 25579378 is 87397552.

It is an interprime number because it is at equal distance from previous prime (25579369) and next prime (25579387).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13663 + ... + 15421.

It is an arithmetic number, because the mean of its divisors is an integer number (2621520).

Almost surely, 2^25579378 is an apocalyptic number.

25579378 is a deficient number, since it is larger than the sum of its proper divisors (16364942).

25579378 is a wasteful number, since it uses less digits than its factorization.

25579378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433.

The product of its digits is 529200, while the sum is 46.

The square root of 25579378 is about 5057.6059553904. The cubic root of 25579378 is about 294.6433610304.

It can be divided in two parts, 2557 and 9378, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 25579378 in words is "twenty-five million, five hundred seventy-nine thousand, three hundred seventy-eight".