7813600425 has 18 divisors (see below), whose sum is σ = 13995026942. Its totient is φ = 4167253440.

The previous prime is 7813600397. The next prime is 7813600427. The reversal of 7813600425 is 5240063187.

7813600425 is a `hidden beast` number, since 7 + 8 + 1 + 3 + 600 + 42 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2677441536 + 5136158889 = 51744^2 + 71667^2 .

It is not a de Polignac number, because 7813600425 - 2¹⁴ = 7813584041 is a prime.

It is a super-2 number, since 2×7813600425² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7813600425.

It is not an unprimeable number, because it can be changed into a prime (7813600427) 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, 17363332 + ... + 17363781.

Almost surely, 2^7813600425 is an apocalyptic number.

7813600425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7813600425 is a deficient number, since it is larger than the sum of its proper divisors (6181426517).

7813600425 is a wasteful number, since it uses less digits than its factorization.

7813600425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34727129 (or 34727121 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 7813600425 is about 88394.5723729687. The cubic root of 7813600425 is about 1984.3444740959.

The spelling of 7813600425 in words is "seven billion, eight hundred thirteen million, six hundred thousand, four hundred twenty-five".