25532016 has 40 divisors (see below), whose sum is σ = 66198144. Its totient is φ = 8479680.

The previous prime is 25531999. The next prime is 25532027. The reversal of 25532016 is 61023552.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 15085 + ... + 16691.

Almost surely, 2^25532016 is an apocalyptic number.

It is an amenable number.

25532016 is an abundant number, since it is smaller than the sum of its proper divisors (40666128).

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

25532016 is a wasteful number, since it uses less digits than its factorization.

25532016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 25532016 is about 5052.9215311540. The cubic root of 25532016 is about 294.4613977765.

Adding to 25532016 its reverse (61023552), we get a palindrome (86555568).

The spelling of 25532016 in words is "twenty-five million, five hundred thirty-two thousand, sixteen".