52170907 has 2 divisors, whose sum is σ = 52170908. Its totient is φ = 52170906.

The previous prime is 52170883. The next prime is 52170917. The reversal of 52170907 is 70907125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52170907 - 2¹⁵ = 52138139 is a prime.

It is not a weakly prime, because it can be changed into another prime (52170917) 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, 26085453 + 26085454.

It is an arithmetic number, because the mean of its divisors is an integer number (26085454).

Almost surely, 2^52170907 is an apocalyptic number.

52170907 is a deficient number, since it is larger than the sum of its proper divisors (1).

52170907 is an equidigital number, since it uses as much as digits as its factorization.

52170907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 52170907 is about 7222.9430982114. The cubic root of 52170907 is about 373.6595866355.

The spelling of 52170907 in words is "fifty-two million, one hundred seventy thousand, nine hundred seven".