25033530 has 32 divisors (see below), whose sum is σ = 60285888. Its totient is φ = 6652800.

The previous prime is 25033517. The next prime is 25033531. The reversal of 25033530 is 3533052.

It is a junction number, because it is equal to n+sod(n) for n = 25033497 and 25033506.

It is not an unprimeable number, because it can be changed into a prime (25033531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8670 + ... + 11190.

It is an arithmetic number, because the mean of its divisors is an integer number (1883934).

Almost surely, 2^25033530 is an apocalyptic number.

25033530 is an abundant number, since it is smaller than the sum of its proper divisors (35252358).

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

25033530 is a wasteful number, since it uses less digits than its factorization.

25033530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 25033530 is about 5003.3518764924. The cubic root of 25033530 is about 292.5324385092.

Adding to 25033530 its reverse (3533052), we get a palindrome (28566582).

The spelling of 25033530 in words is "twenty-five million, thirty-three thousand, five hundred thirty".