212490373 has 2 divisors, whose sum is σ = 212490374. Its totient is φ = 212490372.

The previous prime is 212490367. The next prime is 212490401. The reversal of 212490373 is 373094212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212488929 + 1444 = 14577^2 + 38^2 .

It is a cyclic number.

It is not a de Polignac number, because 212490373 - 2²¹ = 210393221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212490323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106245186 + 106245187.

It is an arithmetic number, because the mean of its divisors is an integer number (106245187).

Almost surely, 2^212490373 is an apocalyptic number.

It is an amenable number.

212490373 is a deficient number, since it is larger than the sum of its proper divisors (1).

212490373 is an equidigital number, since it uses as much as digits as its factorization.

212490373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 212490373 is about 14577.0495299975. The cubic root of 212490373 is about 596.7325843274.

The spelling of 212490373 in words is "two hundred twelve million, four hundred ninety thousand, three hundred seventy-three".