5651291 has 2 divisors, whose sum is σ = 5651292. Its totient is φ = 5651290.

The previous prime is 5651281. The next prime is 5651297. The reversal of 5651291 is 1921565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5651291 is a prime.

It is not a weakly prime, because it can be changed into another prime (5651297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825645 + 2825646.

It is an arithmetic number, because the mean of its divisors is an integer number (2825646).

Almost surely, 2^5651291 is an apocalyptic number.

5651291 is a deficient number, since it is larger than the sum of its proper divisors (1).

5651291 is an equidigital number, since it uses as much as digits as its factorization.

5651291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 29.

The square root of 5651291 is about 2377.2444131809. The cubic root of 5651291 is about 178.1213140101.

The spelling of 5651291 in words is "five million, six hundred fifty-one thousand, two hundred ninety-one".