542386197 has 24 divisors (see below), whose sum is σ = 799332768. Its totient is φ = 354304800.

The previous prime is 542386181. The next prime is 542386211. The reversal of 542386197 is 791683245.

542386197 is a `hidden beast` number, since 5 + 4 + 23 + 8 + 619 + 7 = 666.

It is not a de Polignac number, because 542386197 - 2⁴ = 542386181 is a prime.

It is a super-2 number, since 2×542386197² = 588365573392245618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542386147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153622 + ... + 157112.

It is an arithmetic number, because the mean of its divisors is an integer number (33305532).

Almost surely, 2^542386197 is an apocalyptic number.

It is an amenable number.

542386197 is a deficient number, since it is larger than the sum of its proper divisors (256946571).

542386197 is a wasteful number, since it uses less digits than its factorization.

542386197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841 (or 3838 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 542386197 is about 23289.1862674504. The cubic root of 542386197 is about 815.5229920077.

The spelling of 542386197 in words is "five hundred forty-two million, three hundred eighty-six thousand, one hundred ninety-seven".