2151354005 has 16 divisors (see below), whose sum is σ = 2636550000. Its totient is φ = 1684620288.

The previous prime is 2151353977. The next prime is 2151354041. The reversal of 2151354005 is 5004531512.

It can be written as a sum of positive squares in 8 ways, for example, as 23746129 + 2127607876 = 4873^2 + 46126^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151354005 - 2¹⁴ = 2151337621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105371 + ... + 124119.

It is an arithmetic number, because the mean of its divisors is an integer number (164784375).

Almost surely, 2^2151354005 is an apocalyptic number.

It is an amenable number.

2151354005 is a deficient number, since it is larger than the sum of its proper divisors (485195995).

2151354005 is a wasteful number, since it uses less digits than its factorization.

2151354005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19240.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2151354005 is about 46382.6907908543. The cubic root of 2151354005 is about 1290.9337639714.

Adding to 2151354005 its reverse (5004531512), we get a palindrome (7155885517).

The spelling of 2151354005 in words is "two billion, one hundred fifty-one million, three hundred fifty-four thousand, five".