916251 has 24 divisors (see below), whose sum is σ = 1488384. Its totient is φ = 498960.

The previous prime is 916219. The next prime is 916259. The reversal of 916251 is 152619.

It is not a de Polignac number, because 916251 - 2⁵ = 916219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (916259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3246 + ... + 3516.

It is an arithmetic number, because the mean of its divisors is an integer number (62016).

2⁹¹⁶²⁵¹ is an apocalyptic number.

916251 is a deficient number, since it is larger than the sum of its proper divisors (572133).

916251 is a wasteful number, since it uses less digits than its factorization.

916251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 304 counting only the distinct ones).

The product of its digits is 540, while the sum is 24.

The square root of 916251 is about 957.2100083054. The cubic root of 916251 is about 97.1265927829.

The spelling of 916251 in words is "nine hundred sixteen thousand, two hundred fifty-one".