16901249 has 2 divisors, whose sum is σ = 16901250. Its totient is φ = 16901248.

The previous prime is 16901243. The next prime is 16901263. The reversal of 16901249 is 94210961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14554225 + 2347024 = 3815^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 16901249 - 2⁴ = 16901233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16901243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8450624 + 8450625.

It is an arithmetic number, because the mean of its divisors is an integer number (8450625).

Almost surely, 2^16901249 is an apocalyptic number.

It is an amenable number.

16901249 is a deficient number, since it is larger than the sum of its proper divisors (1).

16901249 is an equidigital number, since it uses as much as digits as its factorization.

16901249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 16901249 is about 4111.1128663660. The cubic root of 16901249 is about 256.6293161669.

The spelling of 16901249 in words is "sixteen million, nine hundred one thousand, two hundred forty-nine".