25014140 has 24 divisors (see below), whose sum is σ = 55620432. Its totient is φ = 9416960.

The previous prime is 25014103. The next prime is 25014149. The reversal of 25014140 is 4141052.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25014149) 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, 36446 + ... + 37125.

It is an arithmetic number, because the mean of its divisors is an integer number (2317518).

Almost surely, 2^25014140 is an apocalyptic number.

25014140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25014140 is an abundant number, since it is smaller than the sum of its proper divisors (30606292).

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

25014140 is a wasteful number, since it uses less digits than its factorization.

25014140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73597 (or 73595 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 25014140 is about 5001.4138001169. The cubic root of 25014140 is about 292.4568909123.

Adding to 25014140 its reverse (4141052), we get a palindrome (29155192).

The spelling of 25014140 in words is "twenty-five million, fourteen thousand, one hundred forty".