2421253401053 has 4 divisors (see below), whose sum is σ = 2421315142428. Its totient is φ = 2421191659680.

The previous prime is 2421253401029. The next prime is 2421253401079. The reversal of 2421253401053 is 3501043521242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 267292102009 + 2153961299044 = 517003^2 + 1467638^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421253401053 - 2¹² = 2421253396957 is a prime.

It is a super-2 number, since 2×2421253401053² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421253400053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30811826 + ... + 30890307.

It is an arithmetic number, because the mean of its divisors is an integer number (605328785607).

Almost surely, 2^{2421253401053} is an apocalyptic number.

It is an amenable number.

2421253401053 is a deficient number, since it is larger than the sum of its proper divisors (61741375).

2421253401053 is an equidigital number, since it uses as much as digits as its factorization.

2421253401053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61741374.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 2421253401053 its reverse (3501043521242), we get a palindrome (5922296922295).

The spelling of 2421253401053 in words is "two trillion, four hundred twenty-one billion, two hundred fifty-three million, four hundred one thousand, fifty-three".