494362251 has 16 divisors (see below), whose sum is σ = 736780800. Its totient is φ = 327598344.

The previous prime is 494362213. The next prime is 494362277. The reversal of 494362251 is 152263494.

It is a happy number.

494362251 is a `hidden beast` number, since 49 + 4 + 362 + 251 = 666.

It is not a de Polignac number, because 494362251 - 2⁷ = 494362123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494362751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50311 + ... + 59328.

It is an arithmetic number, because the mean of its divisors is an integer number (46048800).

Almost surely, 2^494362251 is an apocalyptic number.

494362251 is a deficient number, since it is larger than the sum of its proper divisors (242418549).

494362251 is a wasteful number, since it uses less digits than its factorization.

494362251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109815 (or 109809 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 494362251 is about 22234.2584989920. The cubic root of 494362251 is about 790.7061202543.

The spelling of 494362251 in words is "four hundred ninety-four million, three hundred sixty-two thousand, two hundred fifty-one".