2505207742 has 8 divisors (see below), whose sum is σ = 3761390232. Its totient is φ = 1251411000.

The previous prime is 2505207647. The next prime is 2505207811. The reversal of 2505207742 is 2477025052.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×2505207742⁴ (a number of 39 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2505207698 and 2505207707.

It is a congruent number.

It is an unprimeable number.

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, 593809 + ... + 598012.

It is an arithmetic number, because the mean of its divisors is an integer number (470173779).

Almost surely, 2^2505207742 is an apocalyptic number.

2505207742 is a deficient number, since it is larger than the sum of its proper divisors (1256182490).

2505207742 is a wasteful number, since it uses less digits than its factorization.

2505207742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192874.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 2505207742 is about 50052.0503276339. The cubic root of 2505207742 is about 1358.1505537927.

The spelling of 2505207742 in words is "two billion, five hundred five million, two hundred seven thousand, seven hundred forty-two".