52609489 has 2 divisors, whose sum is σ = 52609490. Its totient is φ = 52609488.

The previous prime is 52609483. The next prime is 52609493. The reversal of 52609489 is 98490625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48233025 + 4376464 = 6945^2 + 2092^2 .

It is a cyclic number.

It is not a de Polignac number, because 52609489 - 2³ = 52609481 is a prime.

It is a super-2 number, since 2×52609489² = 5535516665682242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52609481) 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, 26304744 + 26304745.

It is an arithmetic number, because the mean of its divisors is an integer number (26304745).

Almost surely, 2^52609489 is an apocalyptic number.

It is an amenable number.

52609489 is a deficient number, since it is larger than the sum of its proper divisors (1).

52609489 is an equidigital number, since it uses as much as digits as its factorization.

52609489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 52609489 is about 7253.2398967634. The cubic root of 52609489 is about 374.7037399342.

The spelling of 52609489 in words is "fifty-two million, six hundred nine thousand, four hundred eighty-nine".