52609493 has 2 divisors, whose sum is σ = 52609494. Its totient is φ = 52609492.

The previous prime is 52609489. The next prime is 52609547. The reversal of 52609493 is 39490625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29789764 + 22819729 = 5458^2 + 4777^2 .

It is a cyclic number.

It is not a de Polignac number, because 52609493 - 2² = 52609489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52609433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26304746 + 26304747.

It is an arithmetic number, because the mean of its divisors is an integer number (26304747).

Almost surely, 2^52609493 is an apocalyptic number.

It is an amenable number.

52609493 is a deficient number, since it is larger than the sum of its proper divisors (1).

52609493 is an equidigital number, since it uses as much as digits as its factorization.

52609493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 52609493 is about 7253.2401725022. The cubic root of 52609493 is about 374.7037494306.

The spelling of 52609493 in words is "fifty-two million, six hundred nine thousand, four hundred ninety-three".