16254961 has 4 divisors (see below), whose sum is σ = 16460800. Its totient is φ = 16049124.

The previous prime is 16254923. The next prime is 16254971. The reversal of 16254961 is 16945261.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16945261 = 251 ⋅67511.

It is a cyclic number.

It is not a de Polignac number, because 16254961 - 2⁹ = 16254449 is a prime.

It is a super-2 number, since 2×16254961² = 528447514223042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16254971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102801 + ... + 102958.

It is an arithmetic number, because the mean of its divisors is an integer number (4115200).

Almost surely, 2^16254961 is an apocalyptic number.

It is an amenable number.

16254961 is a deficient number, since it is larger than the sum of its proper divisors (205839).

16254961 is an equidigital number, since it uses as much as digits as its factorization.

16254961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205838.

The product of its digits is 12960, while the sum is 34.

The square root of 16254961 is about 4031.7441635104. The cubic root of 16254961 is about 253.3156241468.

The spelling of 16254961 in words is "sixteen million, two hundred fifty-four thousand, nine hundred sixty-one".