5252574281 has 4 divisors (see below), whose sum is σ = 5252796564. Its totient is φ = 5252352000.

The previous prime is 5252574251. The next prime is 5252574317. The reversal of 5252574281 is 1824752525.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3895757056 + 1356817225 = 62416^2 + 36835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5252574281 is a prime.

It is a super-2 number, since 2×5252574281² = 55179073154845333922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5252574251) 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, 70820 + ... + 124581.

It is an arithmetic number, because the mean of its divisors is an integer number (1313199141).

Almost surely, 2^5252574281 is an apocalyptic number.

It is an amenable number.

5252574281 is a deficient number, since it is larger than the sum of its proper divisors (222283).

5252574281 is a wasteful number, since it uses less digits than its factorization.

5252574281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222282.

The product of its digits is 224000, while the sum is 41.

The square root of 5252574281 is about 72474.6457804383. The cubic root of 5252574281 is about 1738.2973480681.

The spelling of 5252574281 in words is "five billion, two hundred fifty-two million, five hundred seventy-four thousand, two hundred eighty-one".