52445207 has 2 divisors, whose sum is σ = 52445208. Its totient is φ = 52445206.

The previous prime is 52445203. The next prime is 52445213. The reversal of 52445207 is 70254425.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52445207 - 2² = 52445203 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52445207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52445201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26222603 + 26222604.

It is an arithmetic number, because the mean of its divisors is an integer number (26222604).

Almost surely, 2^52445207 is an apocalyptic number.

52445207 is a deficient number, since it is larger than the sum of its proper divisors (1).

52445207 is an equidigital number, since it uses as much as digits as its factorization.

52445207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 52445207 is about 7241.9063098055. The cubic root of 52445207 is about 374.3133080527.

The spelling of 52445207 in words is "fifty-two million, four hundred forty-five thousand, two hundred seven".