2151369125 has 32 divisors (see below), whose sum is σ = 2855904480. Its totient is φ = 1612416000.

The previous prime is 2151369109. The next prime is 2151369127. The reversal of 2151369125 is 5219631512.

It can be written as a sum of positive squares in 16 ways, for example, as 341547361 + 1809821764 = 18481^2 + 42542^2 .

It is not a de Polignac number, because 2151369125 - 2⁴ = 2151369109 is a prime.

It is a super-2 number, since 2×2151369125² = 9256778224006531250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151369127) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 484415 + ... + 488835.

It is an arithmetic number, because the mean of its divisors is an integer number (89247015).

Almost surely, 2^2151369125 is an apocalyptic number.

2151369125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2151369125 is a deficient number, since it is larger than the sum of its proper divisors (704535355).

2151369125 is a wasteful number, since it uses less digits than its factorization.

2151369125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682 (or 4672 counting only the distinct ones).

The product of its digits is 16200, while the sum is 35.

The square root of 2151369125 is about 46382.8537824054. The cubic root of 2151369125 is about 1290.9367882486.

The spelling of 2151369125 in words is "two billion, one hundred fifty-one million, three hundred sixty-nine thousand, one hundred twenty-five".