5211257210 has 8 divisors (see below), whose sum is σ = 9380262996. Its totient is φ = 2084502880.

The previous prime is 5211257147. The next prime is 5211257213. The reversal of 5211257210 is 127521125.

It can be written as a sum of positive squares in 2 ways, for example, as 4770803041 + 440454169 = 69071^2 + 20987^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 5211257210.

It is not an unprimeable number, because it can be changed into a prime (5211257213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260562851 + ... + 260562870.

Almost surely, 2^5211257210 is an apocalyptic number.

5211257210 is a deficient number, since it is larger than the sum of its proper divisors (4169005786).

5211257210 is a wasteful number, since it uses less digits than its factorization.

5211257210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521125728.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 5211257210 is about 72189.0380182476. The cubic root of 5211257210 is about 1733.7274936533.

Adding to 5211257210 its reverse (127521125), we get a palindrome (5338778335).

The spelling of 5211257210 in words is "five billion, two hundred eleven million, two hundred fifty-seven thousand, two hundred ten".