7125305413 has 4 divisors (see below), whose sum is σ = 7125474880. Its totient is φ = 7125135948.

The previous prime is 7125305393. The next prime is 7125305443. The reversal of 7125305413 is 3145035217.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7125305413 - 2¹⁷ = 7125174341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125305443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31306 + ... + 123412.

It is an arithmetic number, because the mean of its divisors is an integer number (1781368720).

Almost surely, 2^7125305413 is an apocalyptic number.

It is an amenable number.

7125305413 is a deficient number, since it is larger than the sum of its proper divisors (169467).

7125305413 is an equidigital number, since it uses as much as digits as its factorization.

7125305413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169466.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 7125305413 is about 84411.5241717622. The cubic root of 7125305413 is about 1924.2780595678.

The spelling of 7125305413 in words is "seven billion, one hundred twenty-five million, three hundred five thousand, four hundred thirteen".