25572330 has 48 divisors (see below), whose sum is σ = 75988224. Its totient is φ = 5844960.

The previous prime is 25572329. The next prime is 25572331. The reversal of 25572330 is 3327552.

It is an interprime number because it is at equal distance from previous prime (25572329) and next prime (25572331).

It is a junction number, because it is equal to n+sod(n) for n = 25572294 and 25572303.

It is not an unprimeable number, because it can be changed into a prime (25572331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19666 + ... + 20925.

It is an arithmetic number, because the mean of its divisors is an integer number (1583088).

Almost surely, 2^25572330 is an apocalyptic number.

25572330 is an abundant number, since it is smaller than the sum of its proper divisors (50415894).

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

25572330 is a wasteful number, since it uses less digits than its factorization.

25572330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40611 (or 40608 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 25572330 is about 5056.9091350350. The cubic root of 25572330 is about 294.6162970785.

Adding to 25572330 its reverse (3327552), we get a palindrome (28899882).

The spelling of 25572330 in words is "twenty-five million, five hundred seventy-two thousand, three hundred thirty".