5252190785 has 4 divisors (see below), whose sum is σ = 6302628948. Its totient is φ = 4201752624.

The previous prime is 5252190763. The next prime is 5252190857. The reversal of 5252190785 is 5870912525.

It is a Cunningham number, because it is equal to 72472²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1890858256 + 3361332529 = 43484^2 + 57977^2 .

It is a cyclic number.

It is not a de Polignac number, because 5252190785 - 2⁸ = 5252190529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525219074 + ... + 525219083.

It is an arithmetic number, because the mean of its divisors is an integer number (1575657237).

Almost surely, 2^5252190785 is an apocalyptic number.

It is an amenable number.

5252190785 is a deficient number, since it is larger than the sum of its proper divisors (1050438163).

5252190785 is a wasteful number, since it uses less digits than its factorization.

5252190785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050438162.

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 5252190785 is about 72472.0000068992. Note that the first 5 decimals coincide. The cubic root of 5252190785 is about 1738.2550420629.

The spelling of 5252190785 in words is "five billion, two hundred fifty-two million, one hundred ninety thousand, seven hundred eighty-five".