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540901 is a prime number
BaseRepresentation
bin10000100000011100101
31000110222101
42010003211
5114302101
615332101
74411654
oct2040345
91013871
10540901
1133a429
12221031
1315c27a
1410119b
15aa401
hex840e5

540901 has 2 divisors, whose sum is σ = 540902. Its totient is φ = 540900.

The previous prime is 540877. The next prime is 540907. The reversal of 540901 is 109045.

540901 = T599 + T600 + T601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 540225 + 676 = 735^2 + 26^2 .

It is a cyclic number.

It is not a de Polignac number, because 540901 - 27 = 540773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270450 + 270451.

It is an arithmetic number, because the mean of its divisors is an integer number (270451).

2540901 is an apocalyptic number.

540901 is the 601-st centered triangular number.

It is an amenable number.

540901 is a deficient number, since it is larger than the sum of its proper divisors (1).

540901 is an equidigital number, since it uses as much as digits as its factorization.

540901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 540901 is about 735.4597201751. The cubic root of 540901 is about 81.4777938924.

Adding to 540901 its reverse (109045), we get a palindrome (649946).

It can be divided in two parts, 540 and 901, that added together give a palindrome (1441).

The spelling of 540901 in words is "five hundred forty thousand, nine hundred one".