7225253737 has 4 divisors (see below), whose sum is σ = 7781042500. Its totient is φ = 6669464976.

The previous prime is 7225253701. The next prime is 7225253753. The reversal of 7225253737 is 7373525227.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 391090176 + 6834163561 = 19776^2 + 82669^2 .

It is a cyclic number.

It is not a de Polignac number, because 7225253737 - 2¹⁵ = 7225220969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7225253693 and 7225253702.

It is not an unprimeable number, because it can be changed into a prime (7225253237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277894362 + ... + 277894387.

It is an arithmetic number, because the mean of its divisors is an integer number (1945260625).

Almost surely, 2^7225253737 is an apocalyptic number.

It is an amenable number.

7225253737 is a deficient number, since it is larger than the sum of its proper divisors (555788763).

7225253737 is a wasteful number, since it uses less digits than its factorization.

7225253737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555788762.

The product of its digits is 617400, while the sum is 43.

The square root of 7225253737 is about 85001.4925574840. The cubic root of 7225253737 is about 1933.2337473443.

The spelling of 7225253737 in words is "seven billion, two hundred twenty-five million, two hundred fifty-three thousand, seven hundred thirty-seven".