252212041 has 4 divisors (see below), whose sum is σ = 252344452. Its totient is φ = 252079632.

The previous prime is 252212039. The next prime is 252212057. The reversal of 252212041 is 140212252.

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 89113600 + 163098441 = 9440^2 + 12771^2 .

It is a cyclic number.

It is not a de Polignac number, because 252212041 - 2¹ = 252212039 is a prime.

It is a super-2 number, since 2×252212041² = 127221827250771362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252212141) 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 3 ways as a sum of consecutive naturals, for example, 63306 + ... + 67171.

It is an arithmetic number, because the mean of its divisors is an integer number (63086113).

Almost surely, 2^252212041 is an apocalyptic number.

It is an amenable number.

252212041 is a deficient number, since it is larger than the sum of its proper divisors (132411).

252212041 is a wasteful number, since it uses less digits than its factorization.

252212041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132410.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 252212041 is about 15881.1851258022. The cubic root of 252212041 is about 631.8130697828.

Adding to 252212041 its reverse (140212252), we get a palindrome (392424293).

The spelling of 252212041 in words is "two hundred fifty-two million, two hundred twelve thousand, forty-one".