2215431253 has 16 divisors (see below), whose sum is σ = 2550433536. Its totient is φ = 1885092480.

The previous prime is 2215431241. The next prime is 2215431271. The reversal of 2215431253 is 3521345122.

It is a cyclic number.

It is not a de Polignac number, because 2215431253 - 2⁵ = 2215431221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215431353) 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, 1286433 + ... + 1288153.

It is an arithmetic number, because the mean of its divisors is an integer number (159402096).

Almost surely, 2^2215431253 is an apocalyptic number.

It is an amenable number.

2215431253 is a deficient number, since it is larger than the sum of its proper divisors (335002283).

2215431253 is a wasteful number, since it uses less digits than its factorization.

2215431253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964.

The product of its digits is 7200, while the sum is 28.

The square root of 2215431253 is about 47068.3678599545. The cubic root of 2215431253 is about 1303.6252367307.

Adding to 2215431253 its reverse (3521345122), we get a palindrome (5736776375).

The spelling of 2215431253 in words is "two billion, two hundred fifteen million, four hundred thirty-one thousand, two hundred fifty-three".