5212090 has 16 divisors (see below), whose sum is σ = 10103688. Its totient is φ = 1924416.

The previous prime is 5212087. The next prime is 5212091. The reversal of 5212090 is 902125.

It is a Cunningham number, because it is equal to 2283²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1874161 + 3337929 = 1369^2 + 1827^2 .

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5212091) 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, 19917 + ... + 20176.

Almost surely, 2^5212090 is an apocalyptic number.

5212090 is a deficient number, since it is larger than the sum of its proper divisors (4891598).

5212090 is a wasteful number, since it uses less digits than its factorization.

5212090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40113.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 5212090 is about 2283.0002190101. Note that the first 3 decimals coincide. The cubic root of 5212090 is about 173.3819842067.

The spelling of 5212090 in words is "five million, two hundred twelve thousand, ninety".