5279749 has 4 divisors (see below), whose sum is σ = 5302080. Its totient is φ = 5257420.

The previous prime is 5279737. The next prime is 5279767. The reversal of 5279749 is 9479725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5279749 - 2⁷ = 5279621 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 (5279149) 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, 10807 + ... + 11284.

It is an arithmetic number, because the mean of its divisors is an integer number (1325520).

Almost surely, 2^5279749 is an apocalyptic number.

It is an amenable number.

5279749 is a deficient number, since it is larger than the sum of its proper divisors (22331).

5279749 is a wasteful number, since it uses less digits than its factorization.

5279749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22330.

The product of its digits is 158760, while the sum is 43.

The square root of 5279749 is about 2297.7704411015. The cubic root of 5279749 is about 174.1289944950.

The spelling of 5279749 in words is "five million, two hundred seventy-nine thousand, seven hundred forty-nine".