52071787 has 2 divisors, whose sum is σ = 52071788. Its totient is φ = 52071786.

The previous prime is 52071751. The next prime is 52071821. The reversal of 52071787 is 78717025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52071787 - 2⁷ = 52071659 is a prime.

It is a super-2 number, since 2×52071787² = 5422942002746738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52071727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26035893 + 26035894.

It is an arithmetic number, because the mean of its divisors is an integer number (26035894).

Almost surely, 2^52071787 is an apocalyptic number.

52071787 is a deficient number, since it is larger than the sum of its proper divisors (1).

52071787 is an equidigital number, since it uses as much as digits as its factorization.

52071787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 52071787 is about 7216.0783670911. The cubic root of 52071787 is about 373.4227968173.

The spelling of 52071787 in words is "fifty-two million, seventy-one thousand, seven hundred eighty-seven".