25035240 has 32 divisors (see below), whose sum is σ = 75106080. Its totient is φ = 6676032.

The previous prime is 25035223. The next prime is 25035253. The reversal of 25035240 is 4253052.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104194 + ... + 104433.

It is an arithmetic number, because the mean of its divisors is an integer number (2347065).

Almost surely, 2^25035240 is an apocalyptic number.

25035240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25035240 is an abundant number, since it is smaller than the sum of its proper divisors (50070840).

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

25035240 is a wasteful number, since it uses less digits than its factorization.

25035240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208641 (or 208637 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25035240 is about 5003.5227590169. The cubic root of 25035240 is about 292.5390991637.

Adding to 25035240 its reverse (4253052), we get a palindrome (29288292).

The spelling of 25035240 in words is "twenty-five million, thirty-five thousand, two hundred forty".