5391657 has 16 divisors (see below), whose sum is σ = 8023680. Its totient is φ = 3578256.

The previous prime is 5391653. The next prime is 5391667. The reversal of 5391657 is 7561935.

It is a happy number.

It is not a de Polignac number, because 5391657 - 2² = 5391653 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

5391657 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5391653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10468 + ... + 10970.

It is an arithmetic number, because the mean of its divisors is an integer number (501480).

Almost surely, 2^5391657 is an apocalyptic number.

It is an amenable number.

5391657 is a deficient number, since it is larger than the sum of its proper divisors (2632023).

5391657 is a wasteful number, since it uses less digits than its factorization.

5391657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 903 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 5391657 is about 2321.9941860392. The cubic root of 5391657 is about 175.3506655733.

The spelling of 5391657 in words is "five million, three hundred ninety-one thousand, six hundred fifty-seven".