2541025731 has 4 divisors (see below), whose sum is σ = 3388034312. Its totient is φ = 1694017152.

The previous prime is 2541025679. The next prime is 2541025769. The reversal of 2541025731 is 1375201452.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2541025731 - 2¹⁸ = 2540763587 is a prime.

It is a super-2 number, since 2×2541025731² = 12913623531208168722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541025231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423504286 + ... + 423504291.

It is an arithmetic number, because the mean of its divisors is an integer number (847008578).

Almost surely, 2^2541025731 is an apocalyptic number.

2541025731 is a deficient number, since it is larger than the sum of its proper divisors (847008581).

2541025731 is an equidigital number, since it uses as much as digits as its factorization.

2541025731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847008580.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2541025731 is about 50408.5878695287. The cubic root of 2541025731 is about 1364.5926286406.

The spelling of 2541025731 in words is "two billion, five hundred forty-one million, twenty-five thousand, seven hundred thirty-one".