212791485 has 32 divisors (see below), whose sum is σ = 347620608. Its totient is φ = 111121920.

The previous prime is 212791463. The next prime is 212791489. The reversal of 212791485 is 584197212.

It is not a de Polignac number, because 212791485 - 2⁹ = 212790973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212791489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286024 + ... + 286766.

It is an arithmetic number, because the mean of its divisors is an integer number (10863144).

Almost surely, 2^212791485 is an apocalyptic number.

It is an amenable number.

212791485 is a deficient number, since it is larger than the sum of its proper divisors (134829123).

212791485 is a wasteful number, since it uses less digits than its factorization.

212791485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125.

The product of its digits is 40320, while the sum is 39.

The square root of 212791485 is about 14587.3741639817. The cubic root of 212791485 is about 597.0143202825.

The spelling of 212791485 in words is "two hundred twelve million, seven hundred ninety-one thousand, four hundred eighty-five".