16285261 has 16 divisors (see below), whose sum is σ = 18135040. Its totient is φ = 14560560.

The previous prime is 16285249. The next prime is 16285277. The reversal of 16285261 is 16258261.

It is a cyclic number.

It is not a de Polignac number, because 16285261 - 2⁵ = 16285229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is the 4036-th Hogben number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16285861) by changing a digit.

It is a nontrivial repunit in base 4035.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25006 + ... + 25648.

It is an arithmetic number, because the mean of its divisors is an integer number (1133440).

Almost surely, 2^16285261 is an apocalyptic number.

It is an amenable number.

16285261 is a deficient number, since it is larger than the sum of its proper divisors (1849779).

16285261 is a wasteful number, since it uses less digits than its factorization.

16285261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its digits is 5760, while the sum is 31.

The square root of 16285261 is about 4035.5000929253. The cubic root of 16285261 is about 253.4729238004.

Subtracting from 16285261 its reverse (16258261), we obtain a cube (27000 = 30³).

It can be divided in two parts, 1628 and 5261, that added together give a square (6889 = 83²).

The spelling of 16285261 in words is "sixteen million, two hundred eighty-five thousand, two hundred sixty-one".