2542942525 has 12 divisors (see below), whose sum is σ = 3177323424. Its totient is φ = 2018822000.

The previous prime is 2542942513. The next prime is 2542942541. The reversal of 2542942525 is 5252492452.

It is not a de Polignac number, because 2542942525 - 2¹³ = 2542934333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384961 + ... + 391510.

It is an arithmetic number, because the mean of its divisors is an integer number (264776952).

Almost surely, 2^2542942525 is an apocalyptic number.

2542942525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2542942525 is a deficient number, since it is larger than the sum of its proper divisors (634380899).

2542942525 is a wasteful number, since it uses less digits than its factorization.

2542942525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776612 (or 776607 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 2542942525 is about 50427.5968592595. The cubic root of 2542942525 is about 1364.9356640682.

The spelling of 2542942525 in words is "two billion, five hundred forty-two million, nine hundred forty-two thousand, five hundred twenty-five".