211962025 has 12 divisors (see below), whose sum is σ = 286727184. Its totient is φ = 154154000.

The previous prime is 211962019. The next prime is 211962029. The reversal of 211962025 is 520269112.

It is not a de Polignac number, because 211962025 - 2⁵ = 211961993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211961984 and 211962002.

It is not an unprimeable number, because it can be changed into a prime (211962029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385111 + ... + 385660.

It is an arithmetic number, because the mean of its divisors is an integer number (23893932).

Almost surely, 2^211962025 is an apocalyptic number.

211962025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

211962025 is a deficient number, since it is larger than the sum of its proper divisors (74765159).

211962025 is a wasteful number, since it uses less digits than its factorization.

211962025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770792 (or 770787 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 211962025 is about 14558.9156533033. The cubic root of 211962025 is about 596.2375907008.

The spelling of 211962025 in words is "two hundred eleven million, nine hundred sixty-two thousand, twenty-five".