52479181 has 2 divisors, whose sum is σ = 52479182. Its totient is φ = 52479180.

The previous prime is 52479151. The next prime is 52479191. The reversal of 52479181 is 18197425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52345225 + 133956 = 7235^2 + 366^2 .

It is a cyclic number.

It is not a de Polignac number, because 52479181 - 2¹¹ = 52477133 is a prime.

It is a super-2 number, since 2×52479181² = 5508128876861522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52479181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52479101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26239590 + 26239591.

It is an arithmetic number, because the mean of its divisors is an integer number (26239591).

Almost surely, 2^52479181 is an apocalyptic number.

It is an amenable number.

52479181 is a deficient number, since it is larger than the sum of its proper divisors (1).

52479181 is an equidigital number, since it uses as much as digits as its factorization.

52479181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 37.

The square root of 52479181 is about 7244.2515831520. The cubic root of 52479181 is about 374.3941173140.

The spelling of 52479181 in words is "fifty-two million, four hundred seventy-nine thousand, one hundred eighty-one".