62069921 has 2 divisors, whose sum is σ = 62069922. Its totient is φ = 62069920.

The previous prime is 62069899. The next prime is 62069923. The reversal of 62069921 is 12996026.

62069921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60217600 + 1852321 = 7760^2 + 1361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62069921 is a prime.

It is a Sophie Germain prime.

Together with 62069923, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (62069923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31034960 + 31034961.

It is an arithmetic number, because the mean of its divisors is an integer number (31034961).

Almost surely, 2^62069921 is an apocalyptic number.

It is an amenable number.

62069921 is a deficient number, since it is larger than the sum of its proper divisors (1).

62069921 is an equidigital number, since it uses as much as digits as its factorization.

62069921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 62069921 is about 7878.4466108491. The cubic root of 62069921 is about 395.9378898780.

The spelling of 62069921 in words is "sixty-two million, sixty-nine thousand, nine hundred twenty-one".