2154510315 has 48 divisors (see below), whose sum is σ = 3833856000. Its totient is φ = 1118753856.

The previous prime is 2154510277. The next prime is 2154510329. The reversal of 2154510315 is 5130154512.

2154510315 is a `hidden beast` number, since 2 + 1 + 545 + 103 + 15 = 666.

It is not a de Polignac number, because 2154510315 - 2⁶ = 2154510251 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 418326 + ... + 423444.

It is an arithmetic number, because the mean of its divisors is an integer number (79872000).

Almost surely, 2^2154510315 is an apocalyptic number.

2154510315 is a deficient number, since it is larger than the sum of its proper divisors (1679345685).

2154510315 is a wasteful number, since it uses less digits than its factorization.

2154510315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5376 (or 5373 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 2154510315 is about 46416.7029742527. The cubic root of 2154510315 is about 1291.5647768305.

Adding to 2154510315 its reverse (5130154512), we get a palindrome (7284664827).

The spelling of 2154510315 in words is "two billion, one hundred fifty-four million, five hundred ten thousand, three hundred fifteen".