542002565 has 16 divisors (see below), whose sum is σ = 701190000. Its totient is φ = 399816192.

The previous prime is 542002541. The next prime is 542002577. The reversal of 542002565 is 565200245.

It can be written as a sum of positive squares in 8 ways, for example, as 835396 + 541167169 = 914^2 + 23263^2 .

It is a cyclic number.

It is not a de Polignac number, because 542002565 - 2¹² = 541998469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64211 + ... + 72159.

It is an arithmetic number, because the mean of its divisors is an integer number (43824375).

Almost surely, 2^542002565 is an apocalyptic number.

It is an amenable number.

542002565 is a deficient number, since it is larger than the sum of its proper divisors (159187435).

542002565 is a wasteful number, since it uses less digits than its factorization.

542002565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9016.

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

The square root of 542002565 is about 23280.9485416724. The cubic root of 542002565 is about 815.3306723962.

It can be divided in two parts, 54200 and 2565, that added together give a palindrome (56765).

The spelling of 542002565 in words is "five hundred forty-two million, two thousand, five hundred sixty-five".