5205626081 has 4 divisors (see below), whose sum is σ = 5206462464. Its totient is φ = 5204789700.

The previous prime is 5205626071. The next prime is 5205626123. The reversal of 5205626081 is 1806265025.

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 5205626081 - 2⁶ = 5205626017 is a prime.

It is a super-2 number, since 2×5205626081² = 54197085790374837122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5205626071) 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, 408785 + ... + 421326.

It is an arithmetic number, because the mean of its divisors is an integer number (1301615616).

Almost surely, 2^5205626081 is an apocalyptic number.

It is an amenable number.

5205626081 is a deficient number, since it is larger than the sum of its proper divisors (836383).

5205626081 is an equidigital number, since it uses as much as digits as its factorization.

5205626081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836382.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 5205626081 is about 72150.0248163505. The cubic root of 5205626081 is about 1733.1027971955.

The spelling of 5205626081 in words is "five billion, two hundred five million, six hundred twenty-six thousand, eighty-one".