5651091 has 12 divisors (see below), whose sum is σ = 8194368. Its totient is φ = 3752784.

The previous prime is 5651069. The next prime is 5651099. The reversal of 5651091 is 1901565.

5651091 is a `hidden beast` number, since 5 + 651 + 0 + 9 + 1 = 666.

5651091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5651091 - 2⁵ = 5651059 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5651099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1566 + ... + 3708.

It is an arithmetic number, because the mean of its divisors is an integer number (682864).

Almost surely, 2^5651091 is an apocalyptic number.

5651091 is a deficient number, since it is larger than the sum of its proper divisors (2543277).

5651091 is a wasteful number, since it uses less digits than its factorization.

5651091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 5651091 is about 2377.2023472982. The cubic root of 5651091 is about 178.1192127390.

The spelling of 5651091 in words is "five million, six hundred fifty-one thousand, ninety-one".