5651567 has 4 divisors (see below), whose sum is σ = 5683320. Its totient is φ = 5619816.

The previous prime is 5651561. The next prime is 5651573. The reversal of 5651567 is 7651565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7651565 = 5 ⋅1530313.

It is an interprime number because it is at equal distance from previous prime (5651561) and next prime (5651573).

It is a cyclic number.

It is not a de Polignac number, because 5651567 - 2⁸ = 5651311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15608 + ... + 15965.

It is an arithmetic number, because the mean of its divisors is an integer number (1420830).

Almost surely, 2^5651567 is an apocalyptic number.

5651567 is a deficient number, since it is larger than the sum of its proper divisors (31753).

5651567 is a wasteful number, since it uses less digits than its factorization.

5651567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31752.

The product of its digits is 31500, while the sum is 35.

The square root of 5651567 is about 2377.3024628768. The cubic root of 5651567 is about 178.1242136828.

The spelling of 5651567 in words is "five million, six hundred fifty-one thousand, five hundred sixty-seven".