5687651 has 2 divisors, whose sum is σ = 5687652. Its totient is φ = 5687650.

The previous prime is 5687609. The next prime is 5687657. The reversal of 5687651 is 1567865.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5687651 is a prime.

It is not a weakly prime, because it can be changed into another prime (5687657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843825 + 2843826.

It is an arithmetic number, because the mean of its divisors is an integer number (2843826).

Almost surely, 2^5687651 is an apocalyptic number.

5687651 is a deficient number, since it is larger than the sum of its proper divisors (1).

5687651 is an equidigital number, since it uses as much as digits as its factorization.

5687651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 38.

The square root of 5687651 is about 2384.8796615343. The cubic root of 5687651 is about 178.5025042345.

The spelling of 5687651 in words is "five million, six hundred eighty-seven thousand, six hundred fifty-one".