250538550797 has 4 divisors (see below), whose sum is σ = 250567254816. Its totient is φ = 250509846780.

The previous prime is 250538550749. The next prime is 250538550799. The reversal of 250538550797 is 797055835052.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 250538550797 - 2⁶ = 250538550733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250538550799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14338913 + ... + 14356374.

It is an arithmetic number, because the mean of its divisors is an integer number (62641813704).

Almost surely, 2^250538550797 is an apocalyptic number.

It is an amenable number.

250538550797 is a deficient number, since it is larger than the sum of its proper divisors (28704019).

250538550797 is an equidigital number, since it uses as much as digits as its factorization.

250538550797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28704018.

The product of its (nonzero) digits is 13230000, while the sum is 56.

The spelling of 250538550797 in words is "two hundred fifty billion, five hundred thirty-eight million, five hundred fifty thousand, seven hundred ninety-seven".