5400261 has 12 divisors (see below), whose sum is σ = 8011692. Its totient is φ = 3502656.

The previous prime is 5400259. The next prime is 5400287. The reversal of 5400261 is 1620045.

It is a happy number.

5400261 is a `hidden beast` number, since 5 + 400 + 261 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4601025 + 799236 = 2145^2 + 894^2 .

It is not a de Polignac number, because 5400261 - 2¹ = 5400259 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7776 + ... + 8441.

It is an arithmetic number, because the mean of its divisors is an integer number (667641).

Almost surely, 2^5400261 is an apocalyptic number.

It is an amenable number.

5400261 is a deficient number, since it is larger than the sum of its proper divisors (2611431).

5400261 is a wasteful number, since it uses less digits than its factorization.

5400261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16260 (or 16257 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 5400261 is about 2323.8461653044. The cubic root of 5400261 is about 175.4438907977.

The spelling of 5400261 in words is "five million, four hundred thousand, two hundred sixty-one".