2501121325 has 24 divisors (see below), whose sum is σ = 3123952832. Its totient is φ = 1986405120.

The previous prime is 2501121317. The next prime is 2501121347. The reversal of 2501121325 is 5231211052.

It is not a de Polignac number, because 2501121325 - 2³ = 2501121317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2501121296 and 2501121305.

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 23 ways as a sum of consecutive naturals, for example, 2585992 + ... + 2586958.

Almost surely, 2^2501121325 is an apocalyptic number.

2501121325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2501121325 is a deficient number, since it is larger than the sum of its proper divisors (622831507).

2501121325 is a wasteful number, since it uses less digits than its factorization.

2501121325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2501121325 is about 50011.2119929121. The cubic root of 2501121325 is about 1357.4116942559.

Adding to 2501121325 its reverse (5231211052), we get a palindrome (7732332377).

The spelling of 2501121325 in words is "two billion, five hundred one million, one hundred twenty-one thousand, three hundred twenty-five".