211293452 has 12 divisors (see below), whose sum is σ = 389224920. Its totient is φ = 100086336.

The previous prime is 211293431. The next prime is 211293469. The reversal of 211293452 is 254392112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390013 + ... + 1390164.

It is an arithmetic number, because the mean of its divisors is an integer number (32435410).

Almost surely, 2^211293452 is an apocalyptic number.

It is an amenable number.

211293452 is a deficient number, since it is larger than the sum of its proper divisors (177931468).

211293452 is a wasteful number, since it uses less digits than its factorization.

211293452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780200 (or 2780198 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 211293452 is about 14535.9365711329. The cubic root of 211293452 is about 595.6100439975.

The spelling of 211293452 in words is "two hundred eleven million, two hundred ninety-three thousand, four hundred fifty-two".