7465797225 has 18 divisors (see below), whose sum is σ = 13372072766. Its totient is φ = 3981758400.

The previous prime is 7465797223. The next prime is 7465797253. The reversal of 7465797225 is 5227975647.

It is a happy number.

7465797225 is a `hidden beast` number, since 7 + 46 + 579 + 7 + 2 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2612027664 + 4853769561 = 51108^2 + 69669^2 .

It is not a de Polignac number, because 7465797225 - 2¹ = 7465797223 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7465797223) 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, 16590436 + ... + 16590885.

Almost surely, 2^7465797225 is an apocalyptic number.

7465797225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7465797225 is a deficient number, since it is larger than the sum of its proper divisors (5906275541).

7465797225 is a wasteful number, since it uses less digits than its factorization.

7465797225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33181337 (or 33181329 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 54.

The square root of 7465797225 is about 86404.8449162430. The cubic root of 7465797225 is about 1954.4537450766.

The spelling of 7465797225 in words is "seven billion, four hundred sixty-five million, seven hundred ninety-seven thousand, two hundred twenty-five".