2154351525 has 12 divisors (see below), whose sum is σ = 3561861312. Its totient is φ = 1148987440.

The previous prime is 2154351517. The next prime is 2154351539. The reversal of 2154351525 is 5251534512.

It is not a de Polignac number, because 2154351525 - 2³ = 2154351517 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 11 ways as a sum of consecutive naturals, for example, 14362269 + ... + 14362418.

It is an arithmetic number, because the mean of its divisors is an integer number (296821776).

Almost surely, 2^2154351525 is an apocalyptic number.

2154351525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2154351525 is a deficient number, since it is larger than the sum of its proper divisors (1407509787).

2154351525 is a wasteful number, since it uses less digits than its factorization.

2154351525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28724700 (or 28724695 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The square root of 2154351525 is about 46414.9924593337. The cubic root of 2154351525 is about 1291.5330460921.

The spelling of 2154351525 in words is "two billion, one hundred fifty-four million, three hundred fifty-one thousand, five hundred twenty-five".