25237240 has 64 divisors (see below), whose sum is σ = 65396160. Its totient is φ = 8586240.

The previous prime is 25237213. The next prime is 25237241. The reversal of 25237240 is 4273252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25237241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48180 + ... + 48700.

It is an arithmetic number, because the mean of its divisors is an integer number (1021815).

Almost surely, 2^25237240 is an apocalyptic number.

25237240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25237240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32698080).

25237240 is an abundant number, since it is smaller than the sum of its proper divisors (40158920).

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

25237240 is a wasteful number, since it uses less digits than its factorization.

25237240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 25237240 is about 5023.6679826597. The cubic root of 25237240 is about 293.3237887161.

The spelling of 25237240 in words is "twenty-five million, two hundred thirty-seven thousand, two hundred forty".