59981147 has 4 divisors (see below), whose sum is σ = 60876456. Its totient is φ = 59085840.

The previous prime is 59981143. The next prime is 59981153. The reversal of 59981147 is 74118995.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 59981147 - 2² = 59981143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 59981098 and 59981107.

It is not an unprimeable number, because it can be changed into a prime (59981143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447554 + ... + 447687.

It is an arithmetic number, because the mean of its divisors is an integer number (15219114).

Almost surely, 2^59981147 is an apocalyptic number.

59981147 is a deficient number, since it is larger than the sum of its proper divisors (895309).

59981147 is an equidigital number, since it uses as much as digits as its factorization.

59981147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895308.

The product of its digits is 90720, while the sum is 44.

The square root of 59981147 is about 7744.7496408858. The cubic root of 59981147 is about 391.4457559327.

The spelling of 59981147 in words is "fifty-nine million, nine hundred eighty-one thousand, one hundred forty-seven".