25379140 has 24 divisors (see below), whose sum is σ = 53424000. Its totient is φ = 10127328.

The previous prime is 25379119. The next prime is 25379141. The reversal of 25379140 is 4197352.

It is not an unprimeable number, because it can be changed into a prime (25379141) 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, 8709 + ... + 11251.

It is an arithmetic number, because the mean of its divisors is an integer number (2226000).

Almost surely, 2^25379140 is an apocalyptic number.

25379140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25379140 is an abundant number, since it is smaller than the sum of its proper divisors (28044860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25379140 is a wasteful number, since it uses less digits than its factorization.

25379140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051 (or 3049 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 25379140 is about 5037.7713326430. The cubic root of 25379140 is about 293.8725132547.

The spelling of 25379140 in words is "twenty-five million, three hundred seventy-nine thousand, one hundred forty".