5117945 has 32 divisors (see below), whose sum is σ = 7464960. Its totient is φ = 3294720.

The previous prime is 5117941. The next prime is 5117947. The reversal of 5117945 is 5497115.

It is not a de Polignac number, because 5117945 - 2² = 5117941 is a prime.

It is a super-2 number, since 2×5117945² = 52386722046050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5117941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57461 + ... + 57549.

It is an arithmetic number, because the mean of its divisors is an integer number (233280).

Almost surely, 2^5117945 is an apocalyptic number.

It is an amenable number.

5117945 is a deficient number, since it is larger than the sum of its proper divisors (2347015).

5117945 is a wasteful number, since it uses less digits than its factorization.

5117945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185.

The product of its digits is 6300, while the sum is 32.

The square root of 5117945 is about 2262.2875590870. The cubic root of 5117945 is about 172.3317129330.

The spelling of 5117945 in words is "five million, one hundred seventeen thousand, nine hundred forty-five".