540670379 has 2 divisors, whose sum is σ = 540670380. Its totient is φ = 540670378.

The previous prime is 540670373. The next prime is 540670387. The reversal of 540670379 is 973076045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540670379 - 2²⁴ = 523893163 is a prime.

It is equal to p_28381775 and since 540670379 and 28381775 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 (540670373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270335189 + 270335190.

It is an arithmetic number, because the mean of its divisors is an integer number (270335190).

Almost surely, 2^540670379 is an apocalyptic number.

540670379 is a deficient number, since it is larger than the sum of its proper divisors (1).

540670379 is an equidigital number, since it uses as much as digits as its factorization.

540670379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 540670379 is about 23252.3198627578. The cubic root of 540670379 is about 814.6621249921.

The spelling of 540670379 in words is "five hundred forty million, six hundred seventy thousand, three hundred seventy-nine".