212295049 has 4 divisors (see below), whose sum is σ = 214242820. Its totient is φ = 210347280.

The previous prime is 212295029. The next prime is 212295053. The reversal of 212295049 is 940592212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78198649 + 134096400 = 8843^2 + 11580^2 .

It is a cyclic number.

It is not a de Polignac number, because 212295049 - 2¹⁷ = 212163977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212295019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973722 + ... + 973939.

It is an arithmetic number, because the mean of its divisors is an integer number (53560705).

Almost surely, 2^212295049 is an apocalyptic number.

It is an amenable number.

212295049 is a deficient number, since it is larger than the sum of its proper divisors (1947771).

212295049 is a wasteful number, since it uses less digits than its factorization.

212295049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947770.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 212295049 is about 14570.3482799829. The cubic root of 212295049 is about 596.5496867444.

The spelling of 212295049 in words is "two hundred twelve million, two hundred ninety-five thousand, forty-nine".