4254153021 has 16 divisors (see below), whose sum is σ = 6310804800. Its totient is φ = 2832341904.

The previous prime is 4254153019. The next prime is 4254153031. The reversal of 4254153021 is 1203514524.

4254153021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4254153021 - 2¹ = 4254153019 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4254153031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83631 + ... + 124508.

It is an arithmetic number, because the mean of its divisors is an integer number (394425300).

Almost surely, 2^4254153021 is an apocalyptic number.

It is an amenable number.

4254153021 is a deficient number, since it is larger than the sum of its proper divisors (2056651779).

4254153021 is a wasteful number, since it uses less digits than its factorization.

4254153021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208905 (or 208899 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4254153021 is about 65223.8684915269. The cubic root of 4254153021 is about 1620.3333436125. Note that the first 4 decimals are identical.

Adding to 4254153021 its reverse (1203514524), we get a palindrome (5457667545).

The spelling of 4254153021 in words is "four billion, two hundred fifty-four million, one hundred fifty-three thousand, twenty-one".