2551432325 has 24 divisors (see below), whose sum is σ = 3524644200. Its totient is φ = 1819157760.

The previous prime is 2551432313. The next prime is 2551432327. The reversal of 2551432325 is 5232341552.

It can be written as a sum of positive squares in 12 ways, for example, as 639381796 + 1912050529 = 25286^2 + 43727^2 .

It is not a de Polignac number, because 2551432325 - 2¹⁶ = 2551366789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2551432291 and 2551432300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551432327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125930 + ... + 144779.

It is an arithmetic number, because the mean of its divisors is an integer number (146860175).

Almost surely, 2^2551432325 is an apocalyptic number.

2551432325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2551432325 is a deficient number, since it is larger than the sum of its proper divisors (973211875).

2551432325 is a wasteful number, since it uses less digits than its factorization.

2551432325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270761 (or 270756 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 2551432325 is about 50511.7048316526. The cubic root of 2551432325 is about 1366.4529560404.

Adding to 2551432325 its reverse (5232341552), we get a palindrome (7783773877).

The spelling of 2551432325 in words is "two billion, five hundred fifty-one million, four hundred thirty-two thousand, three hundred twenty-five".