62811421 has 2 divisors, whose sum is σ = 62811422. Its totient is φ = 62811420.

The previous prime is 62811403. The next prime is 62811439. The reversal of 62811421 is 12411826.

It is a balanced prime because it is at equal distance from previous prime (62811403) and next prime (62811439).

It can be written as a sum of positive squares in only one way, i.e., 57927321 + 4884100 = 7611^2 + 2210^2 .

It is a cyclic number.

It is not a de Polignac number, because 62811421 - 2⁷ = 62811293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62811491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31405710 + 31405711.

It is an arithmetic number, because the mean of its divisors is an integer number (31405711).

Almost surely, 2^62811421 is an apocalyptic number.

It is an amenable number.

62811421 is a deficient number, since it is larger than the sum of its proper divisors (1).

62811421 is an equidigital number, since it uses as much as digits as its factorization.

62811421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

The square root of 62811421 is about 7925.3656697972. The cubic root of 62811421 is about 397.5083046140.

The spelling of 62811421 in words is "sixty-two million, eight hundred eleven thousand, four hundred twenty-one".