5257667 has 4 divisors (see below), whose sum is σ = 5346840. Its totient is φ = 5168496.

The previous prime is 5257627. The next prime is 5257711. The reversal of 5257667 is 7667525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5257667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5257667.

It is not an unprimeable number, because it can be changed into a prime (5257627) 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, 44498 + ... + 44615.

It is an arithmetic number, because the mean of its divisors is an integer number (1336710).

Almost surely, 2^5257667 is an apocalyptic number.

5257667 is a deficient number, since it is larger than the sum of its proper divisors (89173).

5257667 is an equidigital number, since it uses as much as digits as its factorization.

5257667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89172.

The product of its digits is 88200, while the sum is 38.

The square root of 5257667 is about 2292.9603136557. The cubic root of 5257667 is about 173.8858964774.

It can be divided in two parts, 525 and 7667, that added together give a 13-th power (8192 = 2¹³).

The spelling of 5257667 in words is "five million, two hundred fifty-seven thousand, six hundred sixty-seven".