542396281 has 16 divisors (see below), whose sum is σ = 661883904. Its totient is φ = 434350224.

The previous prime is 542396279. The next prime is 542396303. The reversal of 542396281 is 182693245.

It is not a de Polignac number, because 542396281 - 2¹ = 542396279 is a prime.

It is a super-2 number, since 2×542396281² = 588387451285261922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542396081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32251 + ... + 46096.

It is an arithmetic number, because the mean of its divisors is an integer number (41367744).

Almost surely, 2^542396281 is an apocalyptic number.

It is an amenable number.

542396281 is a deficient number, since it is larger than the sum of its proper divisors (119487623).

542396281 is a wasteful number, since it uses less digits than its factorization.

542396281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78420.

The product of its digits is 103680, while the sum is 40.

The square root of 542396281 is about 23289.4027617713. The cubic root of 542396281 is about 815.5280460221.

The spelling of 542396281 in words is "five hundred forty-two million, three hundred ninety-six thousand, two hundred eighty-one".