5405081 has 4 divisors (see below), whose sum is σ = 5896464. Its totient is φ = 4913700.

The previous prime is 5405077. The next prime is 5405083. The reversal of 5405081 is 1805045.

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 not a de Polignac number, because 5405081 - 2² = 5405077 is a prime.

It is a super-2 number, since 2×5405081² = 58429801233122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5405083) 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, 245675 + ... + 245696.

It is an arithmetic number, because the mean of its divisors is an integer number (1474116).

Almost surely, 2^5405081 is an apocalyptic number.

It is an amenable number.

5405081 is a deficient number, since it is larger than the sum of its proper divisors (491383).

5405081 is a wasteful number, since it uses less digits than its factorization.

5405081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491382.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 5405081 is about 2324.8830078092. The cubic root of 5405081 is about 175.4960727254.

The spelling of 5405081 in words is "five million, four hundred five thousand, eighty-one".