52662121 has 2 divisors, whose sum is σ = 52662122. Its totient is φ = 52662120.

The previous prime is 52662109. The next prime is 52662133. The reversal of 52662121 is 12126625.

It is a balanced prime because it is at equal distance from previous prime (52662109) and next prime (52662133).

It can be written as a sum of positive squares in only one way, i.e., 34386496 + 18275625 = 5864^2 + 4275^2 .

It is a cyclic number.

It is not a de Polignac number, because 52662121 - 2⁷ = 52661993 is a prime.

It is not a weakly prime, because it can be changed into another prime (52662721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26331060 + 26331061.

It is an arithmetic number, because the mean of its divisors is an integer number (26331061).

Almost surely, 2^52662121 is an apocalyptic number.

It is an amenable number.

52662121 is a deficient number, since it is larger than the sum of its proper divisors (1).

52662121 is an equidigital number, since it uses as much as digits as its factorization.

52662121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 52662121 is about 7256.8671615236. The cubic root of 52662121 is about 374.8286529784.

Adding to 52662121 its reverse (12126625), we get a palindrome (64788746).

The spelling of 52662121 in words is "fifty-two million, six hundred sixty-two thousand, one hundred twenty-one".