2151345025 has 24 divisors (see below), whose sum is σ = 2720138400. Its totient is φ = 1687867280.

The previous prime is 2151345017. The next prime is 2151345041. The reversal of 2151345025 is 5205431512.

It is not a de Polignac number, because 2151345025 - 2³ = 2151345017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2151344984 and 2151345002.

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 23 ways as a sum of consecutive naturals, for example, 5134266 + ... + 5134684.

It is an arithmetic number, because the mean of its divisors is an integer number (113339100).

Almost surely, 2^2151345025 is an apocalyptic number.

2151345025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2151345025 is a deficient number, since it is larger than the sum of its proper divisors (568793375).

2151345025 is an frugal number, since it uses more digits than its factorization.

2151345025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2151345025 is about 46382.5939874001. The cubic root of 2151345025 is about 1290.9319678000.

Adding to 2151345025 its reverse (5205431512), we get a palindrome (7356776537).

The spelling of 2151345025 in words is "two billion, one hundred fifty-one million, three hundred forty-five thousand, twenty-five".