5865551 has 2 divisors, whose sum is σ = 5865552. Its totient is φ = 5865550.

The previous prime is 5865533. The next prime is 5865571. The reversal of 5865551 is 1555685.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5865551 - 2⁶ = 5865487 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5865571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2932775 + 2932776.

It is an arithmetic number, because the mean of its divisors is an integer number (2932776).

Almost surely, 2^5865551 is an apocalyptic number.

5865551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5865551 is an equidigital number, since it uses as much as digits as its factorization.

5865551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30000, while the sum is 35.

The square root of 5865551 is about 2421.8899644699. The cubic root of 5865551 is about 180.3445150840.

The spelling of 5865551 in words is "five million, eight hundred sixty-five thousand, five hundred fifty-one".