1447215061 has 2 divisors, whose sum is σ = 1447215062. Its totient is φ = 1447215060.

The previous prime is 1447215053. The next prime is 1447215079. The reversal of 1447215061 is 1605127441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 749938225 + 697276836 = 27385^2 + 26406^2 .

It is a cyclic number.

It is not a de Polignac number, because 1447215061 - 2³ = 1447215053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1447215461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723607530 + 723607531.

It is an arithmetic number, because the mean of its divisors is an integer number (723607531).

Almost surely, 2^1447215061 is an apocalyptic number.

It is an amenable number.

1447215061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447215061 is an equidigital number, since it uses as much as digits as its factorization.

1447215061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1447215061 is about 38042.2799132754. The cubic root of 1447215061 is about 1131.1261024591.

The spelling of 1447215061 in words is "one billion, four hundred forty-seven million, two hundred fifteen thousand, sixty-one".