542518761 has 8 divisors (see below), whose sum is σ = 761429920. Its totient is φ = 342643392.

The previous prime is 542518751. The next prime is 542518771. The reversal of 542518761 is 167815245.

It is an interprime number because it is at equal distance from previous prime (542518751) and next prime (542518771).

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

It is not a de Polignac number, because 542518761 - 2¹⁴ = 542502377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542518741) 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, 4758880 + ... + 4758993.

It is an arithmetic number, because the mean of its divisors is an integer number (95178740).

Almost surely, 2^542518761 is an apocalyptic number.

It is an amenable number.

542518761 is a deficient number, since it is larger than the sum of its proper divisors (218911159).

542518761 is a wasteful number, since it uses less digits than its factorization.

542518761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9517895.

The product of its digits is 67200, while the sum is 39.

The square root of 542518761 is about 23292.0321354750. The cubic root of 542518761 is about 815.5894269478.

The spelling of 542518761 in words is "five hundred forty-two million, five hundred eighteen thousand, seven hundred sixty-one".