5261145794 has 4 divisors (see below), whose sum is σ = 7891718694. Its totient is φ = 2630572896.

The previous prime is 5261145793. The next prime is 5261145821. The reversal of 5261145794 is 4975411625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4026537025 + 1234608769 = 63455^2 + 35137^2 .

It is not an unprimeable number, because it can be changed into a prime (5261145793) by changing a digit.

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, 1315286447 + ... + 1315286450.

Almost surely, 2^5261145794 is an apocalyptic number.

5261145794 is a deficient number, since it is larger than the sum of its proper divisors (2630572900).

5261145794 is a wasteful number, since it uses less digits than its factorization.

5261145794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630572899.

The product of its digits is 302400, while the sum is 44.

The square root of 5261145794 is about 72533.7562380441. The cubic root of 5261145794 is about 1739.2423920280.

The spelling of 5261145794 in words is "five billion, two hundred sixty-one million, one hundred forty-five thousand, seven hundred ninety-four".