62201021 has 2 divisors, whose sum is σ = 62201022. Its totient is φ = 62201020.

The previous prime is 62201017. The next prime is 62201023. The reversal of 62201021 is 12010226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47416996 + 14784025 = 6886^2 + 3845^2 .

It is a cyclic number.

It is not a de Polignac number, because 62201021 - 2² = 62201017 is a prime.

It is a Sophie Germain prime.

Together with 62201023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 62200987 and 62201005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62201023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31100510 + 31100511.

It is an arithmetic number, because the mean of its divisors is an integer number (31100511).

Almost surely, 2^62201021 is an apocalyptic number.

It is an amenable number.

62201021 is a deficient number, since it is larger than the sum of its proper divisors (1).

62201021 is an equidigital number, since it uses as much as digits as its factorization.

62201021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 62201021 is about 7886.7623902334. The cubic root of 62201021 is about 396.2164518297.

Adding to 62201021 its reverse (12010226), we get a palindrome (74211247).

The spelling of 62201021 in words is "sixty-two million, two hundred one thousand, twenty-one".