212763275 has 6 divisors (see below), whose sum is σ = 263826492. Its totient is φ = 170210600.

The previous prime is 212763259. The next prime is 212763281. The reversal of 212763275 is 572367212.

It is not a de Polignac number, because 212763275 - 2⁴ = 212763259 is a prime.

It is a super-2 number, since 2×212763275² = 90536422377451250, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4255241 + ... + 4255290.

It is an arithmetic number, because the mean of its divisors is an integer number (43971082).

Almost surely, 2^212763275 is an apocalyptic number.

212763275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212763275 is a deficient number, since it is larger than the sum of its proper divisors (51063217).

212763275 is an equidigital number, since it uses as much as digits as its factorization.

212763275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510541 (or 8510536 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 212763275 is about 14586.4071998556. The cubic root of 212763275 is about 596.9879368360.

The spelling of 212763275 in words is "two hundred twelve million, seven hundred sixty-three thousand, two hundred seventy-five".