2254541021 has 4 divisors (see below), whose sum is σ = 2254796544. Its totient is φ = 2254285500.

The previous prime is 2254540991. The next prime is 2254541057. The reversal of 2254541021 is 1201454522.

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 2254541021 - 2¹⁰ = 2254539997 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 (2254541321) 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, 114035 + ... + 132336.

It is an arithmetic number, because the mean of its divisors is an integer number (563699136).

Almost surely, 2^2254541021 is an apocalyptic number.

It is an amenable number.

2254541021 is a deficient number, since it is larger than the sum of its proper divisors (255523).

2254541021 is an equidigital number, since it uses as much as digits as its factorization.

2254541021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255522.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2254541021 is about 47482.0073396229. The cubic root of 2254541021 is about 1311.2516485454.

Adding to 2254541021 its reverse (1201454522), we get a palindrome (3455995543).

The spelling of 2254541021 in words is "two billion, two hundred fifty-four million, five hundred forty-one thousand, twenty-one".