52378831 has 2 divisors, whose sum is σ = 52378832. Its totient is φ = 52378830.

The previous prime is 52378789. The next prime is 52378847. The reversal of 52378831 is 13887325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52378831 - 2¹¹ = 52376783 is a prime.

It is a super-2 number, since 2×52378831² = 5487083873853122, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52378891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26189415 + 26189416.

It is an arithmetic number, because the mean of its divisors is an integer number (26189416).

Almost surely, 2^52378831 is an apocalyptic number.

52378831 is a deficient number, since it is larger than the sum of its proper divisors (1).

52378831 is an equidigital number, since it uses as much as digits as its factorization.

52378831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 52378831 is about 7237.3220876233. The cubic root of 52378831 is about 374.1553278762.

The spelling of 52378831 in words is "fifty-two million, three hundred seventy-eight thousand, eight hundred thirty-one".