540651401 has 2 divisors, whose sum is σ = 540651402. Its totient is φ = 540651400.

The previous prime is 540651389. The next prime is 540651413. The reversal of 540651401 is 104156045.

It is a balanced prime because it is at equal distance from previous prime (540651389) and next prime (540651413).

It can be written as a sum of positive squares in only one way, i.e., 486643600 + 54007801 = 22060^2 + 7349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540651401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540651451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270325700 + 270325701.

It is an arithmetic number, because the mean of its divisors is an integer number (270325701).

Almost surely, 2^540651401 is an apocalyptic number.

It is an amenable number.

540651401 is a deficient number, since it is larger than the sum of its proper divisors (1).

540651401 is an equidigital number, since it uses as much as digits as its factorization.

540651401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 540651401 is about 23251.9117708631. The cubic root of 540651401 is about 814.6525930978.

The spelling of 540651401 in words is "five hundred forty million, six hundred fifty-one thousand, four hundred one".