16115273 has 2 divisors, whose sum is σ = 16115274. Its totient is φ = 16115272.

The previous prime is 16115263. The next prime is 16115279. The reversal of 16115273 is 37251161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11505664 + 4609609 = 3392^2 + 2147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16115273 is a prime.

It is not a weakly prime, because it can be changed into another prime (16115279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8057636 + 8057637.

It is an arithmetic number, because the mean of its divisors is an integer number (8057637).

Almost surely, 2^16115273 is an apocalyptic number.

It is an amenable number.

16115273 is a deficient number, since it is larger than the sum of its proper divisors (1).

16115273 is an equidigital number, since it uses as much as digits as its factorization.

16115273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 26.

The square root of 16115273 is about 4014.3832652102. The cubic root of 16115273 is about 252.5879078288.

The spelling of 16115273 in words is "sixteen million, one hundred fifteen thousand, two hundred seventy-three".