5250813149 has 8 divisors (see below), whose sum is σ = 5349740472. Its totient is φ = 5152806400.

The previous prime is 5250813143. The next prime is 5250813173. The reversal of 5250813149 is 9413180525.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1089660100 + 4161153049 = 33010^2 + 64507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5250813149 - 2²⁸ = 4982377693 is a prime.

It is a super-2 number, since 2×5250813149² = 55142077451422592402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5250813143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218624 + ... + 241449.

It is an arithmetic number, because the mean of its divisors is an integer number (668717559).

Almost surely, 2^5250813149 is an apocalyptic number.

It is an amenable number.

5250813149 is a deficient number, since it is larger than the sum of its proper divisors (98927323).

5250813149 is a wasteful number, since it uses less digits than its factorization.

5250813149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460287.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 5250813149 is about 72462.4947748834. The cubic root of 5250813149 is about 1738.1030488456.

The spelling of 5250813149 in words is "five billion, two hundred fifty million, eight hundred thirteen thousand, one hundred forty-nine".