25532570 has 16 divisors (see below), whose sum is σ = 52524288. Its totient is φ = 8754000.

The previous prime is 25532569. The next prime is 25532581. The reversal of 25532570 is 7523552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182306 + ... + 182445.

It is an arithmetic number, because the mean of its divisors is an integer number (3282768).

Almost surely, 2^25532570 is an apocalyptic number.

25532570 is an abundant number, since it is smaller than the sum of its proper divisors (26991718).

25532570 is a wasteful number, since it uses less digits than its factorization.

25532570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364765.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 25532570 is about 5052.9763506274. The cubic root of 25532570 is about 294.4635275266.

The spelling of 25532570 in words is "twenty-five million, five hundred thirty-two thousand, five hundred seventy".