5202423581 has 8 divisors (see below), whose sum is σ = 5213880504. Its totient is φ = 5190981120.

The previous prime is 5202423559. The next prime is 5202423607. The reversal of 5202423581 is 1853242025.

It can be written as a sum of positive squares in 4 ways, for example, as 1161787225 + 4040636356 = 34085^2 + 63566^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5202423581 - 2³⁰ = 4128681757 is a prime.

It is a super-2 number, since 2×5202423581² = 54130422232289727122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5202423881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991541 + ... + 996773.

It is an arithmetic number, because the mean of its divisors is an integer number (651735063).

Almost surely, 2^5202423581 is an apocalyptic number.

It is an amenable number.

5202423581 is a deficient number, since it is larger than the sum of its proper divisors (11456923).

5202423581 is a wasteful number, since it uses less digits than its factorization.

5202423581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 5202423581 is about 72127.8280624060. The cubic root of 5202423581 is about 1732.7473228053.

The spelling of 5202423581 in words is "five billion, two hundred two million, four hundred twenty-three thousand, five hundred eighty-one".