5251522446 has 12 divisors (see below), whose sum is σ = 11378298672. Its totient is φ = 1750507476.

The previous prime is 5251522429. The next prime is 5251522453. The reversal of 5251522446 is 6442251525.

It is a self number, because there is not a number n which added to its sum of digits gives 5251522446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145875606 + ... + 145875641.

It is an arithmetic number, because the mean of its divisors is an integer number (948191556).

Almost surely, 2^5251522446 is an apocalyptic number.

5251522446 is an abundant number, since it is smaller than the sum of its proper divisors (6126776226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5251522446 is a wasteful number, since it uses less digits than its factorization.

5251522446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291751255 (or 291751252 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 5251522446 is about 72467.3888449142. The cubic root of 5251522446 is about 1738.1813082018.

The spelling of 5251522446 in words is "five billion, two hundred fifty-one million, five hundred twenty-two thousand, four hundred forty-six".