4254021052 has 24 divisors (see below), whose sum is σ = 7564561200. Its totient is φ = 2092989696.

The previous prime is 4254021047. The next prime is 4254021137. The reversal of 4254021052 is 2501204524.

It is a super-2 number, since 2×4254021052² = 36193390221718373408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28974 + ... + 96682.

It is an arithmetic number, because the mean of its divisors is an integer number (315190050).

Almost surely, 2^4254021052 is an apocalyptic number.

It is an amenable number.

4254021052 is a deficient number, since it is larger than the sum of its proper divisors (3310540148).

4254021052 is a wasteful number, since it uses less digits than its factorization.

4254021052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67965 (or 67963 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 4254021052 is about 65222.8568218228. The cubic root of 4254021052 is about 1620.3165885356.

Adding to 4254021052 its reverse (2501204524), we get a palindrome (6755225576).

The spelling of 4254021052 in words is "four billion, two hundred fifty-four million, twenty-one thousand, fifty-two".