212502485 has 16 divisors (see below), whose sum is σ = 277346160. Its totient is φ = 155366400.

The previous prime is 212502461. The next prime is 212502487. The reversal of 212502485 is 584205212.

It can be written as a sum of positive squares in 8 ways, for example, as 14002564 + 198499921 = 3742^2 + 14089^2 .

It is not a de Polignac number, because 212502485 - 2⁶ = 212502421 is a prime.

It is a super-2 number, since 2×212502485² = 90314612262350450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212502487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9620 + ... + 22749.

It is an arithmetic number, because the mean of its divisors is an integer number (17334135).

Almost surely, 2^212502485 is an apocalyptic number.

It is an amenable number.

212502485 is a deficient number, since it is larger than the sum of its proper divisors (64843675).

212502485 is a wasteful number, since it uses less digits than its factorization.

212502485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32488.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 212502485 is about 14577.4649716609. The cubic root of 212502485 is about 596.7439220767.

Adding to 212502485 its reverse (584205212), we get a palindrome (796707697).

The spelling of 212502485 in words is "two hundred twelve million, five hundred two thousand, four hundred eighty-five".