5401811 has 4 divisors (see below), whose sum is σ = 5427624. Its totient is φ = 5376000.

The previous prime is 5401807. The next prime is 5401817. The reversal of 5401811 is 1181045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1181045 = 5 ⋅236209.

It is a cyclic number.

It is not a de Polignac number, because 5401811 - 2² = 5401807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5401817) 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, 12590 + ... + 13011.

It is an arithmetic number, because the mean of its divisors is an integer number (1356906).

Almost surely, 2^5401811 is an apocalyptic number.

5401811 is a deficient number, since it is larger than the sum of its proper divisors (25813).

5401811 is a wasteful number, since it uses less digits than its factorization.

5401811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25812.

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

The square root of 5401811 is about 2324.1796402172. The cubic root of 5401811 is about 175.4606746789.

Adding to 5401811 its reverse (1181045), we get a palindrome (6582856).

The spelling of 5401811 in words is "five million, four hundred one thousand, eight hundred eleven".