2000102521 has 2 divisors, whose sum is σ = 2000102522. Its totient is φ = 2000102520.

The previous prime is 2000102501. The next prime is 2000102539. The reversal of 2000102521 is 1252010002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1296792121 + 703310400 = 36011^2 + 26520^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000102521 - 2²¹ = 1998005369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000102501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000051260 + 1000051261.

It is an arithmetic number, because the mean of its divisors is an integer number (1000051261).

Almost surely, 2^2000102521 is an apocalyptic number.

It is an amenable number.

2000102521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000102521 is an equidigital number, since it uses as much as digits as its factorization.

2000102521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2000102521 is about 44722.5057549328. The cubic root of 2000102521 is about 1259.9425775880.

Adding to 2000102521 its reverse (1252010002), we get a palindrome (3252112523).

The spelling of 2000102521 in words is "two billion, one hundred two thousand, five hundred twenty-one".