2525275921 has 32 divisors (see below), whose sum is σ = 3137868800. Its totient is φ = 1984046400.

The previous prime is 2525275919. The next prime is 2525275969. The reversal of 2525275921 is 1295725252.

It is not a de Polignac number, because 2525275921 - 2¹ = 2525275919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525275901) 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, 621346 + ... + 625396.

It is an arithmetic number, because the mean of its divisors is an integer number (98058400).

Almost surely, 2^2525275921 is an apocalyptic number.

It is an amenable number.

2525275921 is a deficient number, since it is larger than the sum of its proper divisors (612592879).

2525275921 is a wasteful number, since it uses less digits than its factorization.

2525275921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229.

The product of its digits is 126000, while the sum is 40.

The square root of 2525275921 is about 50252.1235471696. The cubic root of 2525275921 is about 1361.7674398423.

The spelling of 2525275921 in words is "two billion, five hundred twenty-five million, two hundred seventy-five thousand, nine hundred twenty-one".