799497225 has 18 divisors (see below), whose sum is σ = 1431988766. Its totient is φ = 426398400.

The previous prime is 799497211. The next prime is 799497229. The reversal of 799497225 is 522794997.

It can be written as a sum of positive squares in 3 ways, for example, as 172896201 + 626601024 = 13149^2 + 25032^2 .

It is not a de Polignac number, because 799497225 - 2⁹ = 799496713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799497229) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1776436 + ... + 1776885.

Almost surely, 2^799497225 is an apocalyptic number.

799497225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

799497225 is a deficient number, since it is larger than the sum of its proper divisors (632491541).

799497225 is a wasteful number, since it uses less digits than its factorization.

799497225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553337 (or 3553329 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 799497225 is about 28275.3819602848. The cubic root of 799497225 is about 928.1232530661.

It can be divided in two parts, 7994972 and 25, that added together give a palindrome (7994997).

The spelling of 799497225 in words is "seven hundred ninety-nine million, four hundred ninety-seven thousand, two hundred twenty-five".