62898421 has 2 divisors, whose sum is σ = 62898422. Its totient is φ = 62898420.

The previous prime is 62898371. The next prime is 62898427. The reversal of 62898421 is 12489826.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60606225 + 2292196 = 7785^2 + 1514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62898421 is a prime.

It is a super-2 number, since 2×62898421² = 7912422728586482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62898427) 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, 31449210 + 31449211.

It is an arithmetic number, because the mean of its divisors is an integer number (31449211).

Almost surely, 2^62898421 is an apocalyptic number.

It is an amenable number.

62898421 is a deficient number, since it is larger than the sum of its proper divisors (1).

62898421 is an equidigital number, since it uses as much as digits as its factorization.

62898421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 62898421 is about 7930.8524762474. The cubic root of 62898421 is about 397.6917493187.

The spelling of 62898421 in words is "sixty-two million, eight hundred ninety-eight thousand, four hundred twenty-one".