2030550521 has 2 divisors, whose sum is σ = 2030550522. Its totient is φ = 2030550520.

The previous prime is 2030550479. The next prime is 2030550523. The reversal of 2030550521 is 1250550302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1904100496 + 126450025 = 43636^2 + 11245^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030550521 - 2²² = 2026356217 is a prime.

Together with 2030550523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2030550523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015275260 + 1015275261.

It is an arithmetic number, because the mean of its divisors is an integer number (1015275261).

Almost surely, 2^2030550521 is an apocalyptic number.

It is an amenable number.

2030550521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030550521 is an equidigital number, since it uses as much as digits as its factorization.

2030550521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 2030550521 is about 45061.6302523555. The cubic root of 2030550521 is about 1266.3038670646.

The spelling of 2030550521 in words is "two billion, thirty million, five hundred fifty thousand, five hundred twenty-one".