5263257 has 4 divisors (see below), whose sum is σ = 7017680. Its totient is φ = 3508836.

The previous prime is 5263253. The next prime is 5263259. The reversal of 5263257 is 7523625.

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 not a de Polignac number, because 5263257 - 2² = 5263253 is a prime.

It is a D-number.

It is a Duffinian number.

5263257 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5263253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877207 + ... + 877212.

It is an arithmetic number, because the mean of its divisors is an integer number (1754420).

Almost surely, 2^5263257 is an apocalyptic number.

It is an amenable number.

5263257 is a deficient number, since it is larger than the sum of its proper divisors (1754423).

5263257 is a wasteful number, since it uses less digits than its factorization.

5263257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754422.

The product of its digits is 12600, while the sum is 30.

The square root of 5263257 is about 2294.1789380953. The cubic root of 5263257 is about 173.9475003457.

The spelling of 5263257 in words is "five million, two hundred sixty-three thousand, two hundred fifty-seven".