52420493 has 2 divisors, whose sum is σ = 52420494. Its totient is φ = 52420492.

The previous prime is 52420471. The next prime is 52420541. The reversal of 52420493 is 39402425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51523684 + 896809 = 7178^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 52420493 - 2⁸ = 52420237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52420793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26210246 + 26210247.

It is an arithmetic number, because the mean of its divisors is an integer number (26210247).

Almost surely, 2^52420493 is an apocalyptic number.

It is an amenable number.

52420493 is a deficient number, since it is larger than the sum of its proper divisors (1).

52420493 is an equidigital number, since it uses as much as digits as its factorization.

52420493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 52420493 is about 7240.1997900610. The cubic root of 52420493 is about 374.2545023448.

The spelling of 52420493 in words is "fifty-two million, four hundred twenty thousand, four hundred ninety-three".