211353125 has 24 divisors (see below), whose sum is σ = 269982720. Its totient is φ = 165370000.

The previous prime is 211353119. The next prime is 211353137. The reversal of 211353125 is 521353112.

It is a happy number.

It is not a de Polignac number, because 211353125 - 2¹² = 211349029 is a prime.

It is a super-3 number, since 3×211353125³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211353125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146156 + ... + 147594.

It is an arithmetic number, because the mean of its divisors is an integer number (11249280).

Almost surely, 2^211353125 is an apocalyptic number.

211353125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

211353125 is a deficient number, since it is larger than the sum of its proper divisors (58629595).

211353125 is an frugal number, since it uses more digits than its factorization.

211353125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511 (or 1491 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 211353125 is about 14537.9890287481. The cubic root of 211353125 is about 595.6661089827. Note that the first 3 decimals are identical.

The spelling of 211353125 in words is "two hundred eleven million, three hundred fifty-three thousand, one hundred twenty-five".