2154261304 has 16 divisors (see below), whose sum is σ = 4349950920. Its totient is φ = 994274400.

The previous prime is 2154261283. The next prime is 2154261311. The reversal of 2154261304 is 4031624512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10356922 + ... + 10357129.

Almost surely, 2^2154261304 is an apocalyptic number.

It is an amenable number.

2154261304 is an abundant number, since it is smaller than the sum of its proper divisors (2195689616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154261304 is a wasteful number, since it uses less digits than its factorization.

2154261304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20714070 (or 20714066 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2154261304 is about 46414.0205541386. The cubic root of 2154261304 is about 1291.5150166869.

Adding to 2154261304 its reverse (4031624512), we get a palindrome (6185885816).

The spelling of 2154261304 in words is "two billion, one hundred fifty-four million, two hundred sixty-one thousand, three hundred four".