542132077 has 4 divisors (see below), whose sum is σ = 546929820. Its totient is φ = 537334336.

The previous prime is 542132009. The next prime is 542132117. The reversal of 542132077 is 770231245.

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

It can be written as a sum of positive squares in 2 ways, for example, as 108284836 + 433847241 = 10406^2 + 20829^2 .

It is a cyclic number.

It is not a de Polignac number, because 542132077 - 2¹⁵ = 542099309 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 (542532077) 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, 2398702 + ... + 2398927.

It is an arithmetic number, because the mean of its divisors is an integer number (136732455).

Almost surely, 2^542132077 is an apocalyptic number.

It is an amenable number.

542132077 is a deficient number, since it is larger than the sum of its proper divisors (4797743).

542132077 is a wasteful number, since it uses less digits than its factorization.

542132077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797742.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 542132077 is about 23283.7298773199. The cubic root of 542132077 is about 815.3956085566.

The spelling of 542132077 in words is "five hundred forty-two million, one hundred thirty-two thousand, seventy-seven".