52713250 has 16 divisors (see below), whose sum is σ = 98679672. Its totient is φ = 21085200.

The previous prime is 52713247. The next prime is 52713293. The reversal of 52713250 is 5231725.

It can be written as a sum of positive squares in 4 ways, for example, as 32001649 + 20711601 = 5657^2 + 4551^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105177 + ... + 105676.

Almost surely, 2^52713250 is an apocalyptic number.

52713250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52713250 is a deficient number, since it is larger than the sum of its proper divisors (45966422).

52713250 is a wasteful number, since it uses less digits than its factorization.

52713250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210870 (or 210860 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 52713250 is about 7260.3891080300. The cubic root of 52713250 is about 374.9499192380.

Adding to 52713250 its reverse (5231725), we get a palindrome (57944975).

The spelling of 52713250 in words is "fifty-two million, seven hundred thirteen thousand, two hundred fifty".