212454373 has 2 divisors, whose sum is σ = 212454374. Its totient is φ = 212454372.

The previous prime is 212454349. The next prime is 212454379. The reversal of 212454373 is 373454212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162639009 + 49815364 = 12753^2 + 7058^2 .

It is a cyclic number.

It is not a de Polignac number, because 212454373 - 2¹³ = 212446181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212454379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106227186 + 106227187.

It is an arithmetic number, because the mean of its divisors is an integer number (106227187).

Almost surely, 2^212454373 is an apocalyptic number.

It is an amenable number.

212454373 is a deficient number, since it is larger than the sum of its proper divisors (1).

212454373 is an equidigital number, since it uses as much as digits as its factorization.

212454373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 212454373 is about 14575.8146599084. The cubic root of 212454373 is about 596.6988830574.

The spelling of 212454373 in words is "two hundred twelve million, four hundred fifty-four thousand, three hundred seventy-three".