52212061 has 4 divisors (see below), whose sum is σ = 56958624. Its totient is φ = 47465500.

The previous prime is 52212059. The next prime is 52212067. The reversal of 52212061 is 16021225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52212061 - 2¹ = 52212059 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 (52212067) 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, 2373265 + ... + 2373286.

It is an arithmetic number, because the mean of its divisors is an integer number (14239656).

Almost surely, 2^52212061 is an apocalyptic number.

It is an amenable number.

52212061 is a deficient number, since it is larger than the sum of its proper divisors (4746563).

52212061 is a wasteful number, since it uses less digits than its factorization.

52212061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746562.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 52212061 is about 7225.7913753443. The cubic root of 52212061 is about 373.7578121654.

Adding to 52212061 its reverse (16021225), we get a palindrome (68233286).

The spelling of 52212061 in words is "fifty-two million, two hundred twelve thousand, sixty-one".