5401191 has 4 divisors (see below), whose sum is σ = 7201592. Its totient is φ = 3600792.

The previous prime is 5401171. The next prime is 5401211. The reversal of 5401191 is 1911045.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5401171) and next prime (5401211).

It is not a de Polignac number, because 5401191 - 2⁷ = 5401063 is a prime.

It is a D-number.

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, 900196 + ... + 900201.

It is an arithmetic number, because the mean of its divisors is an integer number (1800398).

Almost surely, 2^5401191 is an apocalyptic number.

5401191 is a deficient number, since it is larger than the sum of its proper divisors (1800401).

5401191 is a wasteful number, since it uses less digits than its factorization.

5401191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800400.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 5401191 is about 2324.0462559941. The cubic root of 5401191 is about 175.4539615118.

The spelling of 5401191 in words is "five million, four hundred one thousand, one hundred ninety-one".