251252553041 has 8 divisors (see below), whose sum is σ = 287311481664. Its totient is φ = 215235051120.

The previous prime is 251252553029. The next prime is 251252553043. The reversal of 251252553041 is 140355252152.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 251252553041 - 2³⁴ = 234072683857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 251252552992 and 251252553010.

It is not an unprimeable number, because it can be changed into a prime (251252553043) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 10343675 + ... + 10367936.

It is an arithmetic number, because the mean of its divisors is an integer number (35913935208).

Almost surely, 2^251252553041 is an apocalyptic number.

It is an amenable number.

251252553041 is a deficient number, since it is larger than the sum of its proper divisors (36058928623).

251252553041 is a wasteful number, since it uses less digits than its factorization.

251252553041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20713351.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 251252553041 in words is "two hundred fifty-one billion, two hundred fifty-two million, five hundred fifty-three thousand, forty-one".