52252751 has 4 divisors (see below), whose sum is σ = 54054600. Its totient is φ = 50450904.

The previous prime is 52252723. The next prime is 52252771. The reversal of 52252751 is 15725225.

52252751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52252751 - 2⁶ = 52252687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 1801819 = 52252751 / (5 + 2 + 2 + 5 + 2 + 7 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52252721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900881 + ... + 900938.

It is an arithmetic number, because the mean of its divisors is an integer number (13513650).

Almost surely, 2^52252751 is an apocalyptic number.

52252751 is a deficient number, since it is larger than the sum of its proper divisors (1801849).

52252751 is a wasteful number, since it uses less digits than its factorization.

52252751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801848.

The product of its digits is 7000, while the sum is 29.

The square root of 52252751 is about 7228.6064355448. The cubic root of 52252751 is about 373.8548794975.

Adding to 52252751 its reverse (15725225), we get a palindrome (67977976).

The spelling of 52252751 in words is "fifty-two million, two hundred fifty-two thousand, seven hundred fifty-one".