494017151 has 2 divisors, whose sum is σ = 494017152. Its totient is φ = 494017150.

The previous prime is 494017133. The next prime is 494017171. The reversal of 494017151 is 151710494.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494017151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494017171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247008575 + 247008576.

It is an arithmetic number, because the mean of its divisors is an integer number (247008576).

Almost surely, 2^494017151 is an apocalyptic number.

494017151 is a deficient number, since it is larger than the sum of its proper divisors (1).

494017151 is an equidigital number, since it uses as much as digits as its factorization.

494017151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 494017151 is about 22226.4965975297. The cubic root of 494017151 is about 790.5220877282.

The spelling of 494017151 in words is "four hundred ninety-four million, seventeen thousand, one hundred fifty-one".