542077919 has 2 divisors, whose sum is σ = 542077920. Its totient is φ = 542077918.

The previous prime is 542077891. The next prime is 542077937. The reversal of 542077919 is 919770245.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542077919 is a prime.

It is a super-2 number, since 2×542077919² = 587696940534741122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 542077919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542077219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271038959 + 271038960.

It is an arithmetic number, because the mean of its divisors is an integer number (271038960).

Almost surely, 2^542077919 is an apocalyptic number.

542077919 is a deficient number, since it is larger than the sum of its proper divisors (1).

542077919 is an equidigital number, since it uses as much as digits as its factorization.

542077919 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 44.

The square root of 542077919 is about 23282.5668473216. The cubic root of 542077919 is about 815.3684554773.

It can be divided in two parts, 54207 and 7919, that added together give a palindrome (62126).

The spelling of 542077919 in words is "five hundred forty-two million, seventy-seven thousand, nine hundred nineteen".