5531651 has 2 divisors, whose sum is σ = 5531652. Its totient is φ = 5531650.

The previous prime is 5531639. The next prime is 5531657. The reversal of 5531651 is 1561355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5531651 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5531651.

It is not a weakly prime, because it can be changed into another prime (5531657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765825 + 2765826.

It is an arithmetic number, because the mean of its divisors is an integer number (2765826).

Almost surely, 2^5531651 is an apocalyptic number.

5531651 is a deficient number, since it is larger than the sum of its proper divisors (1).

5531651 is an equidigital number, since it uses as much as digits as its factorization.

5531651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2250, while the sum is 26.

The square root of 5531651 is about 2351.9462153714. The cubic root of 5531651 is about 176.8553725094.

The spelling of 5531651 in words is "five million, five hundred thirty-one thousand, six hundred fifty-one".