252542011 has 4 divisors (see below), whose sum is σ = 254359000. Its totient is φ = 250725024.

The previous prime is 252541997. The next prime is 252542023. The reversal of 252542011 is 110245252.

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 252542011 - 2¹³ = 252533819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252542041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908286 + ... + 908563.

It is an arithmetic number, because the mean of its divisors is an integer number (63589750).

Almost surely, 2^252542011 is an apocalyptic number.

252542011 is a deficient number, since it is larger than the sum of its proper divisors (1816989).

252542011 is a wasteful number, since it uses less digits than its factorization.

252542011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816988.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 252542011 is about 15891.5704384431. The cubic root of 252542011 is about 632.0884842128.

Adding to 252542011 its reverse (110245252), we get a palindrome (362787263).

The spelling of 252542011 in words is "two hundred fifty-two million, five hundred forty-two thousand, eleven".