16535925 has 36 divisors (see below), whose sum is σ = 33852000. Its totient is φ = 7558560.

The previous prime is 16535923. The next prime is 16535957. The reversal of 16535925 is 52953561.

16535925 is a `hidden beast` number, since 1 + 65 + 3 + 592 + 5 = 666.

It is not a de Polignac number, because 16535925 - 2¹ = 16535923 is a prime.

It is a super-3 number, since 3×16535925³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16535925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16535923) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3675 + ... + 6824.

Almost surely, 2^16535925 is an apocalyptic number.

16535925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16535925 is an abundant number, since it is smaller than the sum of its proper divisors (17316075).

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

16535925 is a wasteful number, since it uses less digits than its factorization.

16535925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10522 (or 10514 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 16535925 is about 4066.4388597396. The cubic root of 16535925 is about 254.7667994878.

The spelling of 16535925 in words is "sixteen million, five hundred thirty-five thousand, nine hundred twenty-five".