211248653 has 24 divisors (see below), whose sum is σ = 269085600. Its totient is φ = 163991520.

The previous prime is 211248599. The next prime is 211248683. The reversal of 211248653 is 356842112.

211248653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211248653 - 2⁶ = 211248589 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211248683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187550 + ... + 188672.

It is an arithmetic number, because the mean of its divisors is an integer number (11211900).

Almost surely, 2^211248653 is an apocalyptic number.

It is an amenable number.

211248653 is a deficient number, since it is larger than the sum of its proper divisors (57836947).

211248653 is a wasteful number, since it uses less digits than its factorization.

211248653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497 (or 1490 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 211248653 is about 14534.3955154661. The cubic root of 211248653 is about 595.5679467466.

The spelling of 211248653 in words is "two hundred eleven million, two hundred forty-eight thousand, six hundred fifty-three".