2053502421 has 12 divisors (see below), whose sum is σ = 2759132736. Its totient is φ = 1358517160.

The previous prime is 2053502411. The next prime is 2053502447. The reversal of 2053502421 is 1242053502.

It is not a de Polignac number, because 2053502421 - 2⁶ = 2053502357 is a prime.

It is a super-2 number, since 2×2053502421² = 8433744386105722482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2053502391 and 2053502400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053502411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31540 + ... + 71426.

It is an arithmetic number, because the mean of its divisors is an integer number (229927728).

Almost surely, 2^2053502421 is an apocalyptic number.

It is an amenable number.

2053502421 is a deficient number, since it is larger than the sum of its proper divisors (705630315).

2053502421 is an equidigital number, since it uses as much as digits as its factorization.

2053502421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40152 (or 40021 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2053502421 is about 45315.5869541596. The cubic root of 2053502421 is about 1271.0571355959.

Adding to 2053502421 its reverse (1242053502), we get a palindrome (3295555923).

The spelling of 2053502421 in words is "two billion, fifty-three million, five hundred two thousand, four hundred twenty-one".