542780312 has 16 divisors (see below), whose sum is σ = 1061961840. Its totient is φ = 259590496.

The previous prime is 542780311. The next prime is 542780317. The reversal of 542780312 is 213087245.

It is a super-2 number, since 2×542780312² = 589220934189634688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542780311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474763 + ... + 1475130.

It is an arithmetic number, because the mean of its divisors is an integer number (66372615).

Almost surely, 2^542780312 is an apocalyptic number.

It is an amenable number.

542780312 is a deficient number, since it is larger than the sum of its proper divisors (519181528).

542780312 is a wasteful number, since it uses less digits than its factorization.

542780312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949922 (or 2949918 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 542780312 is about 23297.6460613513. The cubic root of 542780312 is about 815.7204724674.

The spelling of 542780312 in words is "five hundred forty-two million, seven hundred eighty thousand, three hundred twelve".