542747215 has 8 divisors (see below), whose sum is σ = 679614048. Its totient is φ = 415319520.

The previous prime is 542747213. The next prime is 542747221. The reversal of 542747215 is 512747245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542747215 - 2¹ = 542747213 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 (542747213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2359656 + ... + 2359885.

It is an arithmetic number, because the mean of its divisors is an integer number (84951756).

Almost surely, 2^542747215 is an apocalyptic number.

542747215 is a deficient number, since it is larger than the sum of its proper divisors (136866833).

542747215 is a wasteful number, since it uses less digits than its factorization.

542747215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719569.

The product of its digits is 78400, while the sum is 37.

The square root of 542747215 is about 23296.9357427109. The cubic root of 542747215 is about 815.7038921256.

The spelling of 542747215 in words is "five hundred forty-two million, seven hundred forty-seven thousand, two hundred fifteen".