2421522453 has 16 divisors (see below), whose sum is σ = 3727982720. Its totient is φ = 1369460736.

The previous prime is 2421522421. The next prime is 2421522473. The reversal of 2421522453 is 3542251242.

It is not a de Polignac number, because 2421522453 - 2⁵ = 2421522421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2421522453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421522473) 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, 592348 + ... + 596421.

It is an arithmetic number, because the mean of its divisors is an integer number (232998920).

Almost surely, 2^2421522453 is an apocalyptic number.

It is an amenable number.

2421522453 is a deficient number, since it is larger than the sum of its proper divisors (1306460267).

2421522453 is a wasteful number, since it uses less digits than its factorization.

2421522453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188876.

The product of its digits is 19200, while the sum is 30.

The square root of 2421522453 is about 49208.9672011108. The cubic root of 2421522453 is about 1342.8561735421.

Adding to 2421522453 its reverse (3542251242), we get a palindrome (5963773695).

The spelling of 2421522453 in words is "two billion, four hundred twenty-one million, five hundred twenty-two thousand, four hundred fifty-three".