2051297325 has 192 divisors, whose sum is σ = 4782551040. Its totient is φ = 837216000.

The previous prime is 2051297317. The next prime is 2051297341. The reversal of 2051297325 is 5237921502.

2051297325 is a `hidden beast` number, since 20 + 512 + 97 + 32 + 5 = 666.

It is not a de Polignac number, because 2051297325 - 2³ = 2051297317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2051297325.

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 191 ways as a sum of consecutive naturals, for example, 3170152 + ... + 3170798.

It is an arithmetic number, because the mean of its divisors is an integer number (24909120).

Almost surely, 2^2051297325 is an apocalyptic number.

2051297325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2051297325 is an abundant number, since it is smaller than the sum of its proper divisors (2731253715).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051297325 is a wasteful number, since it uses less digits than its factorization.

2051297325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 2051297325 is about 45291.2499827505. The cubic root of 2051297325 is about 1270.6020096262.

The spelling of 2051297325 in words is "two billion, fifty-one million, two hundred ninety-seven thousand, three hundred twenty-five".