1466520225 has 48 divisors (see below), whose sum is σ = 2595667200. Its totient is φ = 728377920.

The previous prime is 1466520221. The next prime is 1466520233. The reversal of 1466520225 is 5220256641.

It is not a de Polignac number, because 1466520225 - 2² = 1466520221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1466520221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75354 + ... + 92796.

It is an arithmetic number, because the mean of its divisors is an integer number (54076400).

Almost surely, 2^1466520225 is an apocalyptic number.

1466520225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1466520225 is a deficient number, since it is larger than the sum of its proper divisors (1129146975).

1466520225 is a wasteful number, since it uses less digits than its factorization.

1466520225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17534 (or 17529 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1466520225 is about 38295.1723458715. The cubic root of 1466520225 is about 1136.1334650375.

Adding to 1466520225 its reverse (5220256641), we get a palindrome (6686776866).

The spelling of 1466520225 in words is "one billion, four hundred sixty-six million, five hundred twenty thousand, two hundred twenty-five".