542405351 has 4 divisors (see below), whose sum is σ = 551297304. Its totient is φ = 533513400.

The previous prime is 542405341. The next prime is 542405387. The reversal of 542405351 is 153504245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153504245 = 5 ⋅30700849.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542405351 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 (542405321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4445885 + ... + 4446006.

It is an arithmetic number, because the mean of its divisors is an integer number (137824326).

Almost surely, 2^542405351 is an apocalyptic number.

542405351 is a deficient number, since it is larger than the sum of its proper divisors (8891953).

542405351 is an equidigital number, since it uses as much as digits as its factorization.

542405351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8891952.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 542405351 is about 23289.5974847141. The cubic root of 542405351 is about 815.5325917748.

Adding to 542405351 its reverse (153504245), we get a palindrome (695909596).

The spelling of 542405351 in words is "five hundred forty-two million, four hundred five thousand, three hundred fifty-one".