16258261 has 4 divisors (see below), whose sum is σ = 16331392. Its totient is φ = 16185132.

The previous prime is 16258247. The next prime is 16258301. The reversal of 16258261 is 16285261.

16258261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16258261 - 2¹⁹ = 15733973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16258211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36231 + ... + 36676.

It is an arithmetic number, because the mean of its divisors is an integer number (4082848).

Almost surely, 2^16258261 is an apocalyptic number.

It is an amenable number.

16258261 is a deficient number, since it is larger than the sum of its proper divisors (73131).

16258261 is an equidigital number, since it uses as much as digits as its factorization.

16258261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73130.

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

The square root of 16258261 is about 4032.1533948996. The cubic root of 16258261 is about 253.3327652727.

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

The spelling of 16258261 in words is "sixteen million, two hundred fifty-eight thousand, two hundred sixty-one".