212401753 has 2 divisors, whose sum is σ = 212401754. Its totient is φ = 212401752.

The previous prime is 212401751. The next prime is 212401769. The reversal of 212401753 is 357104212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173501584 + 38900169 = 13172^2 + 6237^2 .

It is a cyclic number.

It is not a de Polignac number, because 212401753 - 2¹ = 212401751 is a prime.

It is a super-2 number, since 2×212401753² = 90229009354946018, which contains 22 as substring.

Together with 212401751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (212401751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106200876 + 106200877.

It is an arithmetic number, because the mean of its divisors is an integer number (106200877).

Almost surely, 2^212401753 is an apocalyptic number.

It is an amenable number.

212401753 is a deficient number, since it is larger than the sum of its proper divisors (1).

212401753 is an equidigital number, since it uses as much as digits as its factorization.

212401753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 212401753 is about 14574.0095032218. The cubic root of 212401753 is about 596.6496161845.

Adding to 212401753 its reverse (357104212), we get a palindrome (569505965).

The spelling of 212401753 in words is "two hundred twelve million, four hundred one thousand, seven hundred fifty-three".