2251554343 has 4 divisors (see below), whose sum is σ = 2283266448. Its totient is φ = 2219842240.

The previous prime is 2251554313. The next prime is 2251554379. The reversal of 2251554343 is 3434551522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2251554343 - 2²¹ = 2249457191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2251554299 and 2251554308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251554313) 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, 15855946 + ... + 15856087.

It is an arithmetic number, because the mean of its divisors is an integer number (570816612).

Almost surely, 2^2251554343 is an apocalyptic number.

2251554343 is a deficient number, since it is larger than the sum of its proper divisors (31712105).

2251554343 is an equidigital number, since it uses as much as digits as its factorization.

2251554343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31712104.

The product of its digits is 72000, while the sum is 34.

The square root of 2251554343 is about 47450.5462876878. The cubic root of 2251554343 is about 1310.6723706879.

The spelling of 2251554343 in words is "two billion, two hundred fifty-one million, five hundred fifty-four thousand, three hundred forty-three".