542605371 has 48 divisors (see below), whose sum is σ = 972155520. Its totient is φ = 265278720.

The previous prime is 542605367. The next prime is 542605373. The reversal of 542605371 is 173506245.

It is not a de Polignac number, because 542605371 - 2² = 542605367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (542605373) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17620 + ... + 37358.

It is an arithmetic number, because the mean of its divisors is an integer number (20253240).

Almost surely, 2^542605371 is an apocalyptic number.

542605371 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

542605371 is a deficient number, since it is larger than the sum of its proper divisors (429550149).

542605371 is a wasteful number, since it uses less digits than its factorization.

542605371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19784 (or 19777 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 542605371 is about 23293.8912807629. The cubic root of 542605371 is about 815.6328260255.

The spelling of 542605371 in words is "five hundred forty-two million, six hundred five thousand, three hundred seventy-one".