212416453 has 4 divisors (see below), whose sum is σ = 216936000. Its totient is φ = 207896908.

The previous prime is 212416439. The next prime is 212416459. The reversal of 212416453 is 354614212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212416453 - 2⁹ = 212415941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212416459) 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, 2259703 + ... + 2259796.

It is an arithmetic number, because the mean of its divisors is an integer number (54234000).

Almost surely, 2^212416453 is an apocalyptic number.

It is an amenable number.

212416453 is a deficient number, since it is larger than the sum of its proper divisors (4519547).

212416453 is an equidigital number, since it uses as much as digits as its factorization.

212416453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519546.

The product of its digits is 5760, while the sum is 28.

The square root of 212416453 is about 14574.5138169340. The cubic root of 212416453 is about 596.6633802690.

The spelling of 212416453 in words is "two hundred twelve million, four hundred sixteen thousand, four hundred fifty-three".