2500245542 has 16 divisors (see below), whose sum is σ = 3899212800. Its totient is φ = 1201088520.

The previous prime is 2500245541. The next prime is 2500245557. The reversal of 2500245542 is 2455420052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500245541) 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 7 ways as a sum of consecutive naturals, for example, 136442 + ... + 153677.

It is an arithmetic number, because the mean of its divisors is an integer number (243700800).

Almost surely, 2^2500245542 is an apocalyptic number.

2500245542 is a deficient number, since it is larger than the sum of its proper divisors (1398967258).

2500245542 is a wasteful number, since it uses less digits than its factorization.

2500245542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290291.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 2500245542 is about 50002.4553597121. The cubic root of 2500245542 is about 1357.2532404115.

Adding to 2500245542 its reverse (2455420052), we get a palindrome (4955665594).

The spelling of 2500245542 in words is "two billion, five hundred million, two hundred forty-five thousand, five hundred forty-two".