5121345 has 8 divisors (see below), whose sum is σ = 8194176. Its totient is φ = 2731376.

The previous prime is 5121331. The next prime is 5121353. The reversal of 5121345 is 5431215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5121345 - 2⁴ = 5121329 is a prime.

5121345 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170697 + ... + 170726.

It is an arithmetic number, because the mean of its divisors is an integer number (1024272).

Almost surely, 2^5121345 is an apocalyptic number.

It is an amenable number.

5121345 is a deficient number, since it is larger than the sum of its proper divisors (3072831).

5121345 is a wasteful number, since it uses less digits than its factorization.

5121345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341431.

The product of its digits is 600, while the sum is 21.

The square root of 5121345 is about 2263.0388860998. The cubic root of 5121345 is about 172.3698661450.

The spelling of 5121345 in words is "five million, one hundred twenty-one thousand, three hundred forty-five".