25040330 has 64 divisors (see below), whose sum is σ = 54632448. Its totient is φ = 8078400.

The previous prime is 25040321. The next prime is 25040339. The reversal of 25040330 is 3304052.

It is an interprime number because it is at equal distance from previous prime (25040321) and next prime (25040339).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25040299 and 25040308.

It is not an unprimeable number, because it can be changed into a prime (25040339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165755 + ... + 165905.

It is an arithmetic number, because the mean of its divisors is an integer number (853632).

Almost surely, 2^25040330 is an apocalyptic number.

25040330 is an abundant number, since it is smaller than the sum of its proper divisors (29592118).

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

25040330 is a wasteful number, since it uses less digits than its factorization.

25040330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 25040330 is about 5004.0313748017. The cubic root of 25040330 is about 292.5589235274.

Adding to 25040330 its reverse (3304052), we get a palindrome (28344382).

The spelling of 25040330 in words is "twenty-five million, forty thousand, three hundred thirty".