16253532 has 36 divisors (see below), whose sum is σ = 41233920. Its totient is φ = 5398272.

The previous prime is 16253519. The next prime is 16253557. The reversal of 16253532 is 23535261.

16253532 is a `hidden beast` number, since 1 + 625 + 3 + 5 + 32 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 16253496 and 16253505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12069 + ... + 13347.

Almost surely, 2^16253532 is an apocalyptic number.

16253532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16253532 is an abundant number, since it is smaller than the sum of its proper divisors (24980388).

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

16253532 is a wasteful number, since it uses less digits than its factorization.

16253532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642 (or 1637 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 16253532 is about 4031.5669410293. The cubic root of 16253532 is about 253.3082008001.

Adding to 16253532 its reverse (23535261), we get a palindrome (39788793).

The spelling of 16253532 in words is "sixteen million, two hundred fifty-three thousand, five hundred thirty-two".