2254809731 has 4 divisors (see below), whose sum is σ = 2255236464. Its totient is φ = 2254383000.

The previous prime is 2254809727. The next prime is 2254809751. The reversal of 2254809731 is 1379084522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1379084522 = 2 ⋅689542261.

It is a cyclic number.

It is not a de Polignac number, because 2254809731 - 2² = 2254809727 is a prime.

It is a super-3 number, since 3×2254809731³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2254809751) 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, 205340 + ... + 216041.

It is an arithmetic number, because the mean of its divisors is an integer number (563809116).

Almost surely, 2^2254809731 is an apocalyptic number.

2254809731 is a deficient number, since it is larger than the sum of its proper divisors (426733).

2254809731 is an equidigital number, since it uses as much as digits as its factorization.

2254809731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426732.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2254809731 is about 47484.8368534630. The cubic root of 2254809731 is about 1311.3037408087.

The spelling of 2254809731 in words is "two billion, two hundred fifty-four million, eight hundred nine thousand, seven hundred thirty-one".