2052254421 has 64 divisors (see below), whose sum is σ = 3609548800. Its totient is φ = 1128048768.

The previous prime is 2052254387. The next prime is 2052254423. The reversal of 2052254421 is 1244522502.

It is not a de Polignac number, because 2052254421 - 2⁶ = 2052254357 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052254423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 542625 + ... + 546393.

It is an arithmetic number, because the mean of its divisors is an integer number (56399200).

Almost surely, 2^2052254421 is an apocalyptic number.

2052254421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2052254421 is a deficient number, since it is larger than the sum of its proper divisors (1557294379).

2052254421 is a wasteful number, since it uses less digits than its factorization.

2052254421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895 (or 3889 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2052254421 is about 45301.8147649738. The cubic root of 2052254421 is about 1270.7995917451.

Adding to 2052254421 its reverse (1244522502), we get a palindrome (3296776923).

It can be divided in two parts, 205 and 2254421, that added together give a triangular number (2254626 = T₂₁₂₃).

The spelling of 2052254421 in words is "two billion, fifty-two million, two hundred fifty-four thousand, four hundred twenty-one".