5401731 has 4 divisors (see below), whose sum is σ = 7202312. Its totient is φ = 3601152.

The previous prime is 5401727. The next prime is 5401763. The reversal of 5401731 is 1371045.

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

It is not a de Polignac number, because 5401731 - 2² = 5401727 is a prime.

It is a super-2 number, since 2×5401731² = 58357395592722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5401698 and 5401707.

It is not an unprimeable number, because it can be changed into a prime (5451731) 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, 900286 + ... + 900291.

It is an arithmetic number, because the mean of its divisors is an integer number (1800578).

Almost surely, 2^5401731 is an apocalyptic number.

5401731 is a deficient number, since it is larger than the sum of its proper divisors (1800581).

5401731 is a wasteful number, since it uses less digits than its factorization.

5401731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800580.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 5401731 is about 2324.1624297798. The cubic root of 5401731 is about 175.4598084927.

Adding to 5401731 its reverse (1371045), we get a palindrome (6772776).

The spelling of 5401731 in words is "five million, four hundred one thousand, seven hundred thirty-one".