4791517 has 2 divisors, whose sum is σ = 4791518. Its totient is φ = 4791516.

The previous prime is 4791511. The next prime is 4791557. The reversal of 4791517 is 7151974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3956121 + 835396 = 1989^2 + 914^2 .

It is a cyclic number.

It is not a de Polignac number, because 4791517 - 2¹⁵ = 4758749 is a prime.

It is a super-2 number, since 2×4791517² = 45917270322578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4791511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2395758 + 2395759.

It is an arithmetic number, because the mean of its divisors is an integer number (2395759).

Almost surely, 2^4791517 is an apocalyptic number.

It is an amenable number.

4791517 is a deficient number, since it is larger than the sum of its proper divisors (1).

4791517 is an equidigital number, since it uses as much as digits as its factorization.

4791517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 34.

The square root of 4791517 is about 2188.9534028846. The cubic root of 4791517 is about 168.5871016945.

The spelling of 4791517 in words is "four million, seven hundred ninety-one thousand, five hundred seventeen".