25432330 has 32 divisors (see below), whose sum is σ = 57075840. Its totient is φ = 7926720.

The previous prime is 25432321. The next prime is 25432339. The reversal of 25432330 is 3323452.

It is an interprime number because it is at equal distance from previous prime (25432321) and next prime (25432339).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (25432339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15745 + ... + 17284.

It is an arithmetic number, because the mean of its divisors is an integer number (1783620).

Almost surely, 2^25432330 is an apocalyptic number.

25432330 is an abundant number, since it is smaller than the sum of its proper divisors (31643510).

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

25432330 is a wasteful number, since it uses less digits than its factorization.

25432330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33054.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 25432330 is about 5043.0476896417. The cubic root of 25432330 is about 294.0776708726.

Adding to 25432330 its reverse (3323452), we get a palindrome (28755782).

The spelling of 25432330 in words is "twenty-five million, four hundred thirty-two thousand, three hundred thirty".