16258049 has 4 divisors (see below), whose sum is σ = 16480836. Its totient is φ = 16035264.

The previous prime is 16258031. The next prime is 16258051. The reversal of 16258049 is 94085261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94085261 = 223 ⋅421907.

It can be written as a sum of positive squares in 2 ways, for example, as 12475024 + 3783025 = 3532^2 + 1945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16258049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16258349) 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, 111284 + ... + 111429.

It is an arithmetic number, because the mean of its divisors is an integer number (4120209).

Almost surely, 2^16258049 is an apocalyptic number.

It is an amenable number.

16258049 is a deficient number, since it is larger than the sum of its proper divisors (222787).

16258049 is an equidigital number, since it uses as much as digits as its factorization.

16258049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222786.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 16258049 is about 4032.1271061315. The cubic root of 16258049 is about 253.3316641549.

The spelling of 16258049 in words is "sixteen million, two hundred fifty-eight thousand, forty-nine".