25541340 has 48 divisors (see below), whose sum is σ = 78019200. Its totient is φ = 6191680.

The previous prime is 25541323. The next prime is 25541357. The reversal of 25541340 is 4314552.

It is an interprime number because it is at equal distance from previous prime (25541323) and next prime (25541357).

It is a self number, because there is not a number n which added to its sum of digits gives 25541340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18690 + ... + 20009.

It is an arithmetic number, because the mean of its divisors is an integer number (1625400).

Almost surely, 2^25541340 is an apocalyptic number.

25541340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25541340 is an abundant number, since it is smaller than the sum of its proper divisors (52477860).

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

25541340 is a wasteful number, since it uses less digits than its factorization.

25541340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38722 (or 38720 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 25541340 is about 5053.8440814889. The cubic root of 25541340 is about 294.4972380581.

Adding to 25541340 its reverse (4314552), we get a palindrome (29855892).

The spelling of 25541340 in words is "twenty-five million, five hundred forty-one thousand, three hundred forty".