542794497 has 16 divisors (see below), whose sum is σ = 828661632. Its totient is φ = 309588480.

The previous prime is 542794487. The next prime is 542794507. The reversal of 542794497 is 794497245.

It is an interprime number because it is at equal distance from previous prime (542794487) and next prime (542794507).

It is not a de Polignac number, because 542794497 - 2⁴ = 542794481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542794487) 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, 12528 + ... + 35249.

It is an arithmetic number, because the mean of its divisors is an integer number (51791352).

Almost surely, 2^542794497 is an apocalyptic number.

It is an amenable number.

542794497 is a deficient number, since it is larger than the sum of its proper divisors (285867135).

542794497 is a wasteful number, since it uses less digits than its factorization.

542794497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48328.

The product of its digits is 2540160, while the sum is 51.

The square root of 542794497 is about 23297.9504892598. The cubic root of 542794497 is about 815.7275784081.

The spelling of 542794497 in words is "five hundred forty-two million, seven hundred ninety-four thousand, four hundred ninety-seven".