1447801252 has 6 divisors (see below), whose sum is σ = 2533652198. Its totient is φ = 723900624.

The previous prime is 1447801183. The next prime is 1447801259. The reversal of 1447801252 is 2521087441.

It can be written as a sum of positive squares in only one way, i.e., 1154912256 + 292888996 = 33984^2 + 17114^2 .

It is a super-2 number, since 2×1447801252² = 4192256930585535008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1447801259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180975153 + ... + 180975160.

Almost surely, 2^1447801252 is an apocalyptic number.

It is an amenable number.

1447801252 is a deficient number, since it is larger than the sum of its proper divisors (1085850946).

1447801252 is a wasteful number, since it uses less digits than its factorization.

1447801252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361950317 (or 361950315 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 1447801252 is about 38049.9836005221. The cubic root of 1447801252 is about 1131.2788018185.

Adding to 1447801252 its reverse (2521087441), we get a palindrome (3968888693).

The spelling of 1447801252 in words is "one billion, four hundred forty-seven million, eight hundred one thousand, two hundred fifty-two".