447387253 has 2 divisors, whose sum is σ = 447387254. Its totient is φ = 447387252.

The previous prime is 447387233. The next prime is 447387299. The reversal of 447387253 is 352783744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356718769 + 90668484 = 18887^2 + 9522^2 .

It is a cyclic number.

It is not a de Polignac number, because 447387253 - 2²¹ = 445290101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447387233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223693626 + 223693627.

It is an arithmetic number, because the mean of its divisors is an integer number (223693627).

Almost surely, 2^447387253 is an apocalyptic number.

It is an amenable number.

447387253 is a deficient number, since it is larger than the sum of its proper divisors (1).

447387253 is an equidigital number, since it uses as much as digits as its factorization.

447387253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 43.

The square root of 447387253 is about 21151.5307483879. The cubic root of 447387253 is about 764.8234619051.

The spelling of 447387253 in words is "four hundred forty-seven million, three hundred eighty-seven thousand, two hundred fifty-three".