254445512201 has 4 divisors (see below), whose sum is σ = 254446624404. Its totient is φ = 254444400000.

The previous prime is 254445512183. The next prime is 254445512297. The reversal of 254445512201 is 102215544452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 65203111801 + 189242400400 = 255349^2 + 435020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254445512201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (254445517201) 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, 73100 + ... + 717101.

It is an arithmetic number, because the mean of its divisors is an integer number (63611656101).

Almost surely, 2^254445512201 is an apocalyptic number.

It is an amenable number.

254445512201 is a deficient number, since it is larger than the sum of its proper divisors (1112203).

254445512201 is an equidigital number, since it uses as much as digits as its factorization.

254445512201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112202.

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 254445512201 in words is "two hundred fifty-four billion, four hundred forty-five million, five hundred twelve thousand, two hundred one".