52845641 has 2 divisors, whose sum is σ = 52845642. Its totient is φ = 52845640.

The previous prime is 52845629. The next prime is 52845691. The reversal of 52845641 is 14654825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31685641 + 21160000 = 5629^2 + 4600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52845641 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52845601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26422820 + 26422821.

It is an arithmetic number, because the mean of its divisors is an integer number (26422821).

Almost surely, 2^52845641 is an apocalyptic number.

It is an amenable number.

52845641 is a deficient number, since it is larger than the sum of its proper divisors (1).

52845641 is an equidigital number, since it uses as much as digits as its factorization.

52845641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 35.

The square root of 52845641 is about 7269.5007393906. The cubic root of 52845641 is about 375.2635563544.

The spelling of 52845641 in words is "fifty-two million, eight hundred forty-five thousand, six hundred forty-one".