5157787 has 2 divisors, whose sum is σ = 5157788. Its totient is φ = 5157786.

The previous prime is 5157743. The next prime is 5157791. The reversal of 5157787 is 7877515.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5157787 - 2¹⁵ = 5125019 is a prime.

It is not a weakly prime, because it can be changed into another prime (5157287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578893 + 2578894.

It is an arithmetic number, because the mean of its divisors is an integer number (2578894).

Almost surely, 2^5157787 is an apocalyptic number.

5157787 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157787 is an equidigital number, since it uses as much as digits as its factorization.

5157787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68600, while the sum is 40.

The square root of 5157787 is about 2271.0761766176. The cubic root of 5157787 is about 172.7777448155. Note that the first 4 decimals are identical.

The spelling of 5157787 in words is "five million, one hundred fifty-seven thousand, seven hundred eighty-seven".