2211506253 has 16 divisors (see below), whose sum is σ = 3574152000. Its totient is φ = 1340306640.

The previous prime is 2211506207. The next prime is 2211506267. The reversal of 2211506253 is 3526051122.

It is a happy number.

2211506253 is a `hidden beast` number, since 2 + 21 + 15 + 0 + 625 + 3 = 666.

It is not a de Polignac number, because 2211506253 - 2²⁹ = 1674635341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211506153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3722778 + ... + 3723371.

It is an arithmetic number, because the mean of its divisors is an integer number (223384500).

Almost surely, 2^2211506253 is an apocalyptic number.

It is an amenable number.

2211506253 is a deficient number, since it is larger than the sum of its proper divisors (1362645747).

2211506253 is a wasteful number, since it uses less digits than its factorization.

2211506253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7446169 (or 7446163 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2211506253 is about 47026.6547077293. The cubic root of 2211506253 is about 1302.8549196298.

Adding to 2211506253 its reverse (3526051122), we get a palindrome (5737557375).

The spelling of 2211506253 in words is "two billion, two hundred eleven million, five hundred six thousand, two hundred fifty-three".