25753941242 has 8 divisors (see below), whose sum is σ = 39674990676. Its totient is φ = 12528944352.

The previous prime is 25753941233. The next prime is 25753941277. The reversal of 25753941242 is 24214935752.

It can be written as a sum of positive squares in 2 ways, for example, as 21112380601 + 4641560641 = 145301^2 + 68129^2 .

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

It is a super-3 number, since 3×25753941242³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25753941193 and 25753941202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174013043 + ... + 174013190.

Almost surely, 2^25753941242 is an apocalyptic number.

25753941242 is a deficient number, since it is larger than the sum of its proper divisors (13921049434).

25753941242 is a wasteful number, since it uses less digits than its factorization.

25753941242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348026272.

The product of its digits is 604800, while the sum is 44.

The spelling of 25753941242 in words is "twenty-five billion, seven hundred fifty-three million, nine hundred forty-one thousand, two hundred forty-two".