540898801 has 4 divisors (see below), whose sum is σ = 541870452. Its totient is φ = 539927152.

The previous prime is 540898793. The next prime is 540898823. The reversal of 540898801 is 108898045.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64786401 + 476112400 = 8049^2 + 21820^2 .

It is a cyclic number.

It is not a de Polignac number, because 540898801 - 2³ = 540898793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540898871) 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, 484990 + ... + 486103.

It is an arithmetic number, because the mean of its divisors is an integer number (135467613).

Almost surely, 2^540898801 is an apocalyptic number.

It is an amenable number.

540898801 is a deficient number, since it is larger than the sum of its proper divisors (971651).

540898801 is an equidigital number, since it uses as much as digits as its factorization.

540898801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971650.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 540898801 is about 23257.2311550623. The cubic root of 540898801 is about 814.7768347791.

The spelling of 540898801 in words is "five hundred forty million, eight hundred ninety-eight thousand, eight hundred one".