5212170 has 48 divisors (see below), whose sum is σ = 14025960. Its totient is φ = 1341312.

The previous prime is 5212157. The next prime is 5212171. The reversal of 5212170 is 712125.

It can be written as a sum of positive squares in 4 ways, for example, as 2712609 + 2499561 = 1647^2 + 1581^2 .

It is a super-2 number, since 2×5212170² = 54333432217800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (5212171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1612 + ... + 3608.

Almost surely, 2^5212170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5212170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7012980).

5212170 is an abundant number, since it is smaller than the sum of its proper divisors (8813790).

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

5212170 is a wasteful number, since it uses less digits than its factorization.

5212170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 5212170 is about 2283.0177397471. The cubic root of 5212170 is about 173.3828712781.

Adding to 5212170 its reverse (712125), we get a palindrome (5924295).

The spelling of 5212170 in words is "five million, two hundred twelve thousand, one hundred seventy".