212461253 has 2 divisors, whose sum is σ = 212461254. Its totient is φ = 212461252.

The previous prime is 212461247. The next prime is 212461261. The reversal of 212461253 is 352164212.

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., 155201764 + 57259489 = 12458^2 + 7567^2 .

It is a cyclic number.

It is not a de Polignac number, because 212461253 - 2¹⁰ = 212460229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212461853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106230626 + 106230627.

It is an arithmetic number, because the mean of its divisors is an integer number (106230627).

Almost surely, 2^212461253 is an apocalyptic number.

It is an amenable number.

212461253 is a deficient number, since it is larger than the sum of its proper divisors (1).

212461253 is an equidigital number, since it uses as much as digits as its factorization.

212461253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 212461253 is about 14576.0506653894. The cubic root of 212461253 is about 596.7053240388.

The spelling of 212461253 in words is "two hundred twelve million, four hundred sixty-one thousand, two hundred fifty-three".