542506797 has 12 divisors (see below), whose sum is σ = 895566880. Its totient is φ = 310003848.

The previous prime is 542506777. The next prime is 542506801. The reversal of 542506797 is 797605245.

542506797 is a `hidden beast` number, since 54 + 2 + 506 + 7 + 97 = 666.

It is not a de Polignac number, because 542506797 - 2¹⁶ = 542441261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542506747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4305547 + ... + 4305672.

Almost surely, 2^542506797 is an apocalyptic number.

It is an amenable number.

542506797 is a deficient number, since it is larger than the sum of its proper divisors (353060083).

542506797 is a wasteful number, since it uses less digits than its factorization.

542506797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611232 (or 8611229 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 542506797 is about 23291.7753080352. The cubic root of 542506797 is about 815.5834315892.

The spelling of 542506797 in words is "five hundred forty-two million, five hundred six thousand, seven hundred ninety-seven".