52486969 has 2 divisors, whose sum is σ = 52486970. Its totient is φ = 52486968.

The previous prime is 52486957. The next prime is 52486997. The reversal of 52486969 is 96968425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50765625 + 1721344 = 7125^2 + 1312^2 .

It is a cyclic number.

It is not a de Polignac number, because 52486969 - 2⁹ = 52486457 is a prime.

It is a super-2 number, since 2×52486969² = 5509763829613922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52486669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26243484 + 26243485.

It is an arithmetic number, because the mean of its divisors is an integer number (26243485).

Almost surely, 2^52486969 is an apocalyptic number.

It is an amenable number.

52486969 is a deficient number, since it is larger than the sum of its proper divisors (1).

52486969 is an equidigital number, since it uses as much as digits as its factorization.

52486969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The square root of 52486969 is about 7244.7890928584. The cubic root of 52486969 is about 374.4126366399.

The spelling of 52486969 in words is "fifty-two million, four hundred eighty-six thousand, nine hundred sixty-nine".