1364520225 has 24 divisors (see below), whose sum is σ = 2316984640. Its totient is φ = 708073920.

The previous prime is 1364520193. The next prime is 1364520239. The reversal of 1364520225 is 5220254631.

It is not a de Polignac number, because 1364520225 - 2⁵ = 1364520193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1364520192 and 1364520201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243085 + ... + 248634.

Almost surely, 2^1364520225 is an apocalyptic number.

1364520225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1364520225 is a deficient number, since it is larger than the sum of its proper divisors (952464415).

1364520225 is a wasteful number, since it uses less digits than its factorization.

1364520225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491769 (or 491764 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1364520225 is about 36939.4128946306. The cubic root of 1364520225 is about 1109.1577695140.

Adding to 1364520225 its reverse (5220254631), we get a palindrome (6584774856).

The spelling of 1364520225 in words is "one billion, three hundred sixty-four million, five hundred twenty thousand, two hundred twenty-five".