7251313534 has 4 divisors (see below), whose sum is σ = 10876970304. Its totient is φ = 3625656766.

The previous prime is 7251313529. The next prime is 7251313543. The reversal of 7251313534 is 4353131527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4353131527 = 139 ⋅31317493.

It is a self number, because there is not a number n which added to its sum of digits gives 7251313534.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1812828382 + ... + 1812828385.

It is an arithmetic number, because the mean of its divisors is an integer number (2719242576).

Almost surely, 2^7251313534 is an apocalyptic number.

7251313534 is a deficient number, since it is larger than the sum of its proper divisors (3625656770).

7251313534 is a wasteful number, since it uses less digits than its factorization.

7251313534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625656769.

The product of its digits is 37800, while the sum is 34.

The square root of 7251313534 is about 85154.6448175318. The cubic root of 7251313534 is about 1935.5551989585. Note that the first 3 decimals are identical.

The spelling of 7251313534 in words is "seven billion, two hundred fifty-one million, three hundred thirteen thousand, five hundred thirty-four".