52563257 has 4 divisors (see below), whose sum is σ = 54848640. Its totient is φ = 50277876.

The previous prime is 52563229. The next prime is 52563281. The reversal of 52563257 is 75236525.

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 52563257 - 2¹⁰ = 52562233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52560257) 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, 1142657 + ... + 1142702.

It is an arithmetic number, because the mean of its divisors is an integer number (13712160).

Almost surely, 2^52563257 is an apocalyptic number.

It is an amenable number.

52563257 is a deficient number, since it is larger than the sum of its proper divisors (2285383).

52563257 is a wasteful number, since it uses less digits than its factorization.

52563257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285382.

The product of its digits is 63000, while the sum is 35.

The square root of 52563257 is about 7250.0522067086. The cubic root of 52563257 is about 374.5939474452.

The spelling of 52563257 in words is "fifty-two million, five hundred sixty-three thousand, two hundred fifty-seven".