52170403 has 2 divisors, whose sum is σ = 52170404. Its totient is φ = 52170402.

The previous prime is 52170401. The next prime is 52170451. The reversal of 52170403 is 30407125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52170403 - 2¹ = 52170401 is a prime.

Together with 52170401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52170401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26085201 + 26085202.

It is an arithmetic number, because the mean of its divisors is an integer number (26085202).

Almost surely, 2^52170403 is an apocalyptic number.

52170403 is a deficient number, since it is larger than the sum of its proper divisors (1).

52170403 is an equidigital number, since it uses as much as digits as its factorization.

52170403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 52170403 is about 7222.9082093018. The cubic root of 52170403 is about 373.6583833784.

Adding to 52170403 its reverse (30407125), we get a palindrome (82577528).

The spelling of 52170403 in words is "fifty-two million, one hundred seventy thousand, four hundred three".