52002101 has 2 divisors, whose sum is σ = 52002102. Its totient is φ = 52002100.

The previous prime is 52002091. The next prime is 52002121. The reversal of 52002101 is 10120025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31080625 + 20921476 = 5575^2 + 4574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52002101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52002121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26001050 + 26001051.

It is an arithmetic number, because the mean of its divisors is an integer number (26001051).

Almost surely, 2^52002101 is an apocalyptic number.

It is an amenable number.

52002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

52002101 is an equidigital number, since it uses as much as digits as its factorization.

52002101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 52002101 is about 7211.2482275956. The cubic root of 52002101 is about 373.2561425409.

Adding to 52002101 its reverse (10120025), we get a palindrome (62122126).

The spelling of 52002101 in words is "fifty-two million, two thousand, one hundred one".