5157309 has 8 divisors (see below), whose sum is σ = 6907360. Its totient is φ = 3422736.

The previous prime is 5157287. The next prime is 5157323. The reversal of 5157309 is 9037515.

It is a happy number.

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

It is not a de Polignac number, because 5157309 - 2⁵ = 5157277 is a prime.

It is a super-2 number, since 2×5157309² = 53195672242962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5157329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3067 + ... + 4440.

It is an arithmetic number, because the mean of its divisors is an integer number (863420).

Almost surely, 2^5157309 is an apocalyptic number.

It is an amenable number.

5157309 is a deficient number, since it is larger than the sum of its proper divisors (1750051).

5157309 is a wasteful number, since it uses less digits than its factorization.

5157309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7739.

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 5157309 is about 2270.9709377269. The cubic root of 5157309 is about 172.7724072347.

The spelling of 5157309 in words is "five million, one hundred fifty-seven thousand, three hundred nine".