25595240 has 32 divisors (see below), whose sum is σ = 62825760. Its totient is φ = 9307200.

The previous prime is 25595221. The next prime is 25595249. The reversal of 25595240 is 4259552.

It is a junction number, because it is equal to n+sod(n) for n = 25595197 and 25595206.

It is not an unprimeable number, because it can be changed into a prime (25595249) 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 7 ways as a sum of consecutive naturals, for example, 28646 + ... + 29525.

It is an arithmetic number, because the mean of its divisors is an integer number (1963305).

Almost surely, 2^25595240 is an apocalyptic number.

25595240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25595240 is an abundant number, since it is smaller than the sum of its proper divisors (37230520).

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

25595240 is a wasteful number, since it uses less digits than its factorization.

25595240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58193 (or 58189 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 25595240 is about 5059.1738455997. The cubic root of 25595240 is about 294.7042521028.

The spelling of 25595240 in words is "twenty-five million, five hundred ninety-five thousand, two hundred forty".