540260377 has 2 divisors, whose sum is σ = 540260378. Its totient is φ = 540260376.

The previous prime is 540260339. The next prime is 540260387. The reversal of 540260377 is 773062045.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347300496 + 192959881 = 18636^2 + 13891^2 .

It is a cyclic number.

It is not a de Polignac number, because 540260377 - 2⁷ = 540260249 is a prime.

It is equal to p_28361257 and since 540260377 and 28361257 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (540260327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270130188 + 270130189.

It is an arithmetic number, because the mean of its divisors is an integer number (270130189).

Almost surely, 2^540260377 is an apocalyptic number.

It is an amenable number.

540260377 is a deficient number, since it is larger than the sum of its proper divisors (1).

540260377 is an equidigital number, since it uses as much as digits as its factorization.

540260377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 540260377 is about 23243.5018230903. The cubic root of 540260377 is about 814.4561476357.

The spelling of 540260377 in words is "five hundred forty million, two hundred sixty thousand, three hundred seventy-seven".