59781641 has 2 divisors, whose sum is σ = 59781642. Its totient is φ = 59781640.

The previous prime is 59781637. The next prime is 59781643. The reversal of 59781641 is 14618795.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49056016 + 10725625 = 7004^2 + 3275^2 .

It is a cyclic number.

It is not a de Polignac number, because 59781641 - 2² = 59781637 is a prime.

Together with 59781643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (59781643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29890820 + 29890821.

It is an arithmetic number, because the mean of its divisors is an integer number (29890821).

Almost surely, 2^59781641 is an apocalyptic number.

It is an amenable number.

59781641 is a deficient number, since it is larger than the sum of its proper divisors (1).

59781641 is an equidigital number, since it uses as much as digits as its factorization.

59781641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 41.

The square root of 59781641 is about 7731.8588321309. The cubic root of 59781641 is about 391.0112720590.

The spelling of 59781641 in words is "fifty-nine million, seven hundred eighty-one thousand, six hundred forty-one".