25829532 has 36 divisors (see below), whose sum is σ = 65801736. Its totient is φ = 8542560.

The previous prime is 25829519. The next prime is 25829533. The reversal of 25829532 is 23592852.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25829533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1978 + ... + 7454.

It is an arithmetic number, because the mean of its divisors is an integer number (1827826).

Almost surely, 2^25829532 is an apocalyptic number.

It is an amenable number.

25829532 is an abundant number, since it is smaller than the sum of its proper divisors (39972204).

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

25829532 is a wasteful number, since it uses less digits than its factorization.

25829532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618 (or 5613 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 25829532 is about 5082.2762616765. The cubic root of 25829532 is about 295.6007369533.

The spelling of 25829532 in words is "twenty-five million, eight hundred twenty-nine thousand, five hundred thirty-two".