62981381 has 2 divisors, whose sum is σ = 62981382. Its totient is φ = 62981380.

The previous prime is 62981353. The next prime is 62981389. The reversal of 62981381 is 18318926.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60996100 + 1985281 = 7810^2 + 1409^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62981381 is a prime.

It is a super-2 number, since 2×62981381² = 7933308705334322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62981389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31490690 + 31490691.

It is an arithmetic number, because the mean of its divisors is an integer number (31490691).

Almost surely, 2^62981381 is an apocalyptic number.

It is an amenable number.

62981381 is a deficient number, since it is larger than the sum of its proper divisors (1).

62981381 is an equidigital number, since it uses as much as digits as its factorization.

62981381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The square root of 62981381 is about 7936.0809597685. The cubic root of 62981381 is about 397.8665179506.

The spelling of 62981381 in words is "sixty-two million, nine hundred eighty-one thousand, three hundred eighty-one".