212950531 has 2 divisors, whose sum is σ = 212950532. Its totient is φ = 212950530.

The previous prime is 212950477. The next prime is 212950541. The reversal of 212950531 is 135059212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212950531 - 2¹³ = 212942339 is a prime.

It is a super-2 number, since 2×212950531² = 90695857306363922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212950531.

It is not a weakly prime, because it can be changed into another prime (212950541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106475265 + 106475266.

It is an arithmetic number, because the mean of its divisors is an integer number (106475266).

Almost surely, 2^212950531 is an apocalyptic number.

212950531 is a deficient number, since it is larger than the sum of its proper divisors (1).

212950531 is an equidigital number, since it uses as much as digits as its factorization.

212950531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 212950531 is about 14592.8246408980. The cubic root of 212950531 is about 597.1630246862.

The spelling of 212950531 in words is "two hundred twelve million, nine hundred fifty thousand, five hundred thirty-one".