542402311 has 4 divisors (see below), whose sum is σ = 591711624. Its totient is φ = 493093000.

The previous prime is 542402309. The next prime is 542402339. The reversal of 542402311 is 113204245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542402311 - 2¹ = 542402309 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 (542402111) 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, 24654640 + ... + 24654661.

It is an arithmetic number, because the mean of its divisors is an integer number (147927906).

Almost surely, 2^542402311 is an apocalyptic number.

542402311 is a deficient number, since it is larger than the sum of its proper divisors (49309313).

542402311 is a wasteful number, since it uses less digits than its factorization.

542402311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49309312.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 542402311 is about 23289.5322194328. The cubic root of 542402311 is about 815.5310681765.

Adding to 542402311 its reverse (113204245), we get a palindrome (655606556).

The spelling of 542402311 in words is "five hundred forty-two million, four hundred two thousand, three hundred eleven".