5210370221 has 4 divisors (see below), whose sum is σ = 5954708832. Its totient is φ = 4466031612.

The previous prime is 5210370211. The next prime is 5210370259. The reversal of 5210370221 is 1220730125.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-5210370221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5210370211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372169295 + ... + 372169308.

It is an arithmetic number, because the mean of its divisors is an integer number (1488677208).

Almost surely, 2^5210370221 is an apocalyptic number.

It is an amenable number.

5210370221 is a deficient number, since it is larger than the sum of its proper divisors (744338611).

5210370221 is an equidigital number, since it uses as much as digits as its factorization.

5210370221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744338610.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 5210370221 is about 72182.8942409488. The cubic root of 5210370221 is about 1733.6291242702.

The spelling of 5210370221 in words is "five billion, two hundred ten million, three hundred seventy thousand, two hundred twenty-one".