542215399 has 12 divisors (see below), whose sum is σ = 597063600. Its totient is φ = 492034400.

The previous prime is 542215361. The next prime is 542215469. The reversal of 542215399 is 993512245.

It is not a de Polignac number, because 542215399 - 2¹³ = 542207207 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 (542215309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68739 + ... + 76219.

It is an arithmetic number, because the mean of its divisors is an integer number (49755300).

Almost surely, 2^542215399 is an apocalyptic number.

542215399 is a deficient number, since it is larger than the sum of its proper divisors (54848201).

542215399 is a wasteful number, since it uses less digits than its factorization.

542215399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8102 (or 8091 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 542215399 is about 23285.5190837568. The cubic root of 542215399 is about 815.4373799966.

The spelling of 542215399 in words is "five hundred forty-two million, two hundred fifteen thousand, three hundred ninety-nine".