2025121605242 has 4 divisors (see below), whose sum is σ = 3037682407866. Its totient is φ = 1012560802620.

The previous prime is 2025121605191. The next prime is 2025121605319. The reversal of 2025121605242 is 2425061215202.

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

It can be written as a sum of positive squares in only one way, i.e., 1852704821881 + 172416783361 = 1361141^2 + 415231^2 .

It is a super-2 number, since 2×2025121605242² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2025121605199 and 2025121605208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506280401309 + ... + 506280401312.

Almost surely, 2^{2025121605242} is an apocalyptic number.

2025121605242 is a deficient number, since it is larger than the sum of its proper divisors (1012560802624).

2025121605242 is a wasteful number, since it uses less digits than its factorization.

2025121605242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012560802623.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 2025121605242 in words is "two trillion, twenty-five billion, one hundred twenty-one million, six hundred five thousand, two hundred forty-two".