540783401 has 2 divisors, whose sum is σ = 540783402. Its totient is φ = 540783400.

The previous prime is 540783371. The next prime is 540783407. The reversal of 540783401 is 104387045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488365801 + 52417600 = 22099^2 + 7240^2 .

It is a cyclic number.

It is not a de Polignac number, because 540783401 - 2¹⁸ = 540521257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540783407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270391700 + 270391701.

It is an arithmetic number, because the mean of its divisors is an integer number (270391701).

Almost surely, 2^540783401 is an apocalyptic number.

It is an amenable number.

540783401 is a deficient number, since it is larger than the sum of its proper divisors (1).

540783401 is an equidigital number, since it uses as much as digits as its factorization.

540783401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 540783401 is about 23254.7500739096. The cubic root of 540783401 is about 814.7188868265.

The spelling of 540783401 in words is "five hundred forty million, seven hundred eighty-three thousand, four hundred one".