5266551 has 4 divisors (see below), whose sum is σ = 7022072. Its totient is φ = 3511032.

The previous prime is 5266537. The next prime is 5266577. The reversal of 5266551 is 1556625.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5266551 - 2⁵ = 5266519 is a prime.

It is a D-number.

It is a Duffinian number.

5266551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266531) 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, 877756 + ... + 877761.

It is an arithmetic number, because the mean of its divisors is an integer number (1755518).

Almost surely, 2^5266551 is an apocalyptic number.

5266551 is a deficient number, since it is larger than the sum of its proper divisors (1755521).

5266551 is a wasteful number, since it uses less digits than its factorization.

5266551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755520.

The product of its digits is 9000, while the sum is 30.

The square root of 5266551 is about 2294.8967297027. The cubic root of 5266551 is about 173.9837810223.

The spelling of 5266551 in words is "five million, two hundred sixty-six thousand, five hundred fifty-one".