25241140 has 12 divisors (see below), whose sum is σ = 53006436. Its totient is φ = 10096448.

The previous prime is 25241131. The next prime is 25241171. The reversal of 25241140 is 4114252.

It can be written as a sum of positive squares in 2 ways, for example, as 3952144 + 21288996 = 1988^2 + 4614^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631009 + ... + 631048.

It is an arithmetic number, because the mean of its divisors is an integer number (4417203).

Almost surely, 2^25241140 is an apocalyptic number.

25241140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25241140 is an abundant number, since it is smaller than the sum of its proper divisors (27765296).

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

25241140 is a wasteful number, since it uses less digits than its factorization.

25241140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262066 (or 1262064 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 25241140 is about 5024.0561302597. The cubic root of 25241140 is about 293.3388973922.

Adding to 25241140 its reverse (4114252), we get a palindrome (29355392).

It can be divided in two parts, 25 and 241140, that added together give a triangular number (241165 = T₆₉₄).

The spelling of 25241140 in words is "twenty-five million, two hundred forty-one thousand, one hundred forty".