63441225 has 63 divisors (see below), whose sum is σ = 119979703. Its totient is φ = 33261840.

The previous prime is 63441181. The next prime is 63441233. The reversal of 63441225 is 52214436.

The square root of 63441225 is 7965.

It is a perfect power (a square), and thus also a powerful number.

63441225 is a `hidden beast` number, since 634 + 4 + 1 + 2 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22838841 + 40602384 = 4779^2 + 6372^2 .

It is not a de Polignac number, because 63441225 - 2²³ = 55052617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 1075246 + ... + 1075304.

Almost surely, 2^63441225 is an apocalyptic number.

63441225 is the 7965-th square number.

63441225 is the 3983-rd centered octagonal number.

It is an amenable number.

63441225 is a deficient number, since it is larger than the sum of its proper divisors (56538478).

63441225 is an frugal number, since it uses more digits than its factorization.

63441225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 67 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The cubic root of 63441225 is about 398.8324809805.

It can be divided in two parts, 6344 and 1225, that added together give a square (7569 = 87²).

The spelling of 63441225 in words is "sixty-three million, four hundred forty-one thousand, two hundred twenty-five".