16525481 has 8 divisors (see below), whose sum is σ = 18992064. Its totient is φ = 14085360.

The previous prime is 16525451. The next prime is 16525507. The reversal of 16525481 is 18452561.

16525481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16525481 is a prime.

It is a super-2 number, since 2×16525481² = 546183044562722, which contains 22 as substring.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (16525451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5255 + ... + 7788.

It is an arithmetic number, because the mean of its divisors is an integer number (2374008).

Almost surely, 2^16525481 is an apocalyptic number.

It is an amenable number.

16525481 is a deficient number, since it is larger than the sum of its proper divisors (2466583).

16525481 is a wasteful number, since it uses less digits than its factorization.

16525481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13231.

The product of its digits is 9600, while the sum is 32.

The square root of 16525481 is about 4065.1544866093. The cubic root of 16525481 is about 254.7131517516.

The spelling of 16525481 in words is "sixteen million, five hundred twenty-five thousand, four hundred eighty-one".