7125062813 has 4 divisors (see below), whose sum is σ = 7772795808. Its totient is φ = 6477329820.

The previous prime is 7125062803. The next prime is 7125062837. The reversal of 7125062813 is 3182605217.

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.

It is a cyclic number.

It is not a de Polignac number, because 7125062813 - 2⁸ = 7125062557 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 (7125062803) 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, 323866481 + ... + 323866502.

It is an arithmetic number, because the mean of its divisors is an integer number (1943198952).

Almost surely, 2^7125062813 is an apocalyptic number.

It is an amenable number.

7125062813 is a deficient number, since it is larger than the sum of its proper divisors (647732995).

7125062813 is a wasteful number, since it uses less digits than its factorization.

7125062813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647732994.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 7125062813 is about 84410.0871519512. The cubic root of 7125062813 is about 1924.2562202628.

The spelling of 7125062813 in words is "seven billion, one hundred twenty-five million, sixty-two thousand, eight hundred thirteen".