25237280 has 24 divisors (see below), whose sum is σ = 59623452. Its totient is φ = 10094848.

The previous prime is 25237273. The next prime is 25237283. The reversal of 25237280 is 8273252.

It can be written as a sum of positive squares in 2 ways, for example, as 24641296 + 595984 = 4964^2 + 772^2 .

It is not an unprimeable number, because it can be changed into a prime (25237283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78707 + ... + 79026.

Almost surely, 2^25237280 is an apocalyptic number.

25237280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25237280 is an abundant number, since it is smaller than the sum of its proper divisors (34386172).

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

25237280 is a wasteful number, since it uses less digits than its factorization.

25237280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157748 (or 157740 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 25237280 is about 5023.6719638129. The cubic root of 25237280 is about 293.3239436847.

The spelling of 25237280 in words is "twenty-five million, two hundred thirty-seven thousand, two hundred eighty".