5401181 has 4 divisors (see below), whose sum is σ = 5408832. Its totient is φ = 5393532.

The previous prime is 5401171. The next prime is 5401211. The reversal of 5401181 is 1811045.

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 5401181 - 2⁶ = 5401117 is a prime.

It is a super-2 number, since 2×5401181² = 58345512389522, 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 (5401141) 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, 2645 + ... + 4218.

It is an arithmetic number, because the mean of its divisors is an integer number (1352208).

Almost surely, 2^5401181 is an apocalyptic number.

It is an amenable number.

5401181 is a deficient number, since it is larger than the sum of its proper divisors (7651).

5401181 is an equidigital number, since it uses as much as digits as its factorization.

5401181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7650.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 5401181 is about 2324.0441045729. The cubic root of 5401181 is about 175.4538532307.

The spelling of 5401181 in words is "five million, four hundred one thousand, one hundred eighty-one".