5201408581 has 4 divisors (see below), whose sum is σ = 5204880000. Its totient is φ = 5197937164.

The previous prime is 5201408567. The next prime is 5201408591. The reversal of 5201408581 is 1858041025.

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 5201408581 - 2¹¹ = 5201406533 is a prime.

It is a super-2 number, since 2×5201408581² = 54109302453000867122, 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 (5201408551) 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, 1733461 + ... + 1736458.

It is an arithmetic number, because the mean of its divisors is an integer number (1301220000).

Almost surely, 2^5201408581 is an apocalyptic number.

It is an amenable number.

5201408581 is a deficient number, since it is larger than the sum of its proper divisors (3471419).

5201408581 is a wasteful number, since it uses less digits than its factorization.

5201408581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471418.

The product of its (nonzero) digits is 12800, while the sum is 34.

The square root of 5201408581 is about 72120.7915999263. The cubic root of 5201408581 is about 1732.6346283470.

The spelling of 5201408581 in words is "five billion, two hundred one million, four hundred eight thousand, five hundred eighty-one".