5649157 has 2 divisors, whose sum is σ = 5649158. Its totient is φ = 5649156.

The previous prime is 5649121. The next prime is 5649167. The reversal of 5649157 is 7519465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5447556 + 201601 = 2334^2 + 449^2 .

It is a cyclic number.

It is not a de Polignac number, because 5649157 - 2¹⁵ = 5616389 is a prime.

It is a Chen prime.

5649157 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5649167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2824578 + 2824579.

It is an arithmetic number, because the mean of its divisors is an integer number (2824579).

Almost surely, 2^5649157 is an apocalyptic number.

It is an amenable number.

5649157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5649157 is an equidigital number, since it uses as much as digits as its factorization.

5649157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 5649157 is about 2376.7955318033. The cubic root of 5649157 is about 178.0988908895.

The spelling of 5649157 in words is "five million, six hundred forty-nine thousand, one hundred fifty-seven".