2154412533 has 32 divisors (see below), whose sum is σ = 3743421696. Its totient is φ = 1069544448.

The previous prime is 2154412493. The next prime is 2154412541. The reversal of 2154412533 is 3352144512.

2154412533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2154412533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2154412533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154412133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227466 + ... + 236747.

It is an arithmetic number, because the mean of its divisors is an integer number (116981928).

Almost surely, 2^2154412533 is an apocalyptic number.

It is an amenable number.

2154412533 is a deficient number, since it is larger than the sum of its proper divisors (1589009163).

2154412533 is a wasteful number, since it uses less digits than its factorization.

2154412533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464253.

The product of its digits is 14400, while the sum is 30.

The square root of 2154412533 is about 46415.6496561235. The cubic root of 2154412533 is about 1291.5452374025.

The spelling of 2154412533 in words is "two billion, one hundred fifty-four million, four hundred twelve thousand, five hundred thirty-three".