212802487 has 2 divisors, whose sum is σ = 212802488. Its totient is φ = 212802486.

The previous prime is 212802427. The next prime is 212802497. The reversal of 212802487 is 784208212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212802487 - 2²³ = 204413879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212802427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106401243 + 106401244.

It is an arithmetic number, because the mean of its divisors is an integer number (106401244).

Almost surely, 2^212802487 is an apocalyptic number.

212802487 is a deficient number, since it is larger than the sum of its proper divisors (1).

212802487 is an equidigital number, since it uses as much as digits as its factorization.

212802487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 212802487 is about 14587.7512660451. The cubic root of 212802487 is about 597.0246092881.

The spelling of 212802487 in words is "two hundred twelve million, eight hundred two thousand, four hundred eighty-seven".