7611751225 has 12 divisors (see below), whose sum is σ = 10164615916. Its totient is φ = 5620985280.

The previous prime is 7611751193. The next prime is 7611751289. The reversal of 7611751225 is 5221571167.

It can be written as a sum of positive squares in 6 ways, for example, as 487040761 + 7124710464 = 22069^2 + 84408^2 .

It is not a de Polignac number, because 7611751225 - 2⁵ = 7611751193 is a prime.

It is a super-2 number, since 2×7611751225² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11710062 + ... + 11710711.

Almost surely, 2^7611751225 is an apocalyptic number.

It is an amenable number.

7611751225 is a deficient number, since it is larger than the sum of its proper divisors (2552864691).

7611751225 is a wasteful number, since it uses less digits than its factorization.

7611751225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23420796 (or 23420791 counting only the distinct ones).

The product of its digits is 29400, while the sum is 37.

The square root of 7611751225 is about 87245.3507357269. The cubic root of 7611751225 is about 1967.1079576461.

The spelling of 7611751225 in words is "seven billion, six hundred eleven million, seven hundred fifty-one thousand, two hundred twenty-five".