7284151225 has 72 divisors (see below), whose sum is σ = 10169835200. Its totient is φ = 5143564800.

The previous prime is 7284151223. The next prime is 7284151243. The reversal of 7284151225 is 5221514827.

It is a happy number.

It is not a de Polignac number, because 7284151225 - 2¹ = 7284151223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7284151223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36603676 + ... + 36603874.

Almost surely, 2^7284151225 is an apocalyptic number.

It is an amenable number.

7284151225 is a deficient number, since it is larger than the sum of its proper divisors (2885683975).

7284151225 is a wasteful number, since it uses less digits than its factorization.

7284151225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 325 counting only the distinct ones).

The product of its digits is 44800, while the sum is 37.

The square root of 7284151225 is about 85347.2391176188. The cubic root of 7284151225 is about 1938.4725306939.

The spelling of 7284151225 in words is "seven billion, two hundred eighty-four million, one hundred fifty-one thousand, two hundred twenty-five".