2251574543 has 2 divisors, whose sum is σ = 2251574544. Its totient is φ = 2251574542.

The previous prime is 2251574531. The next prime is 2251574617. The reversal of 2251574543 is 3454751522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2251574543 - 2⁸ = 2251574287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2251574497 and 2251574506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251574513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125787271 + 1125787272.

It is an arithmetic number, because the mean of its divisors is an integer number (1125787272).

Almost surely, 2^2251574543 is an apocalyptic number.

2251574543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251574543 is an equidigital number, since it uses as much as digits as its factorization.

2251574543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168000, while the sum is 38.

The square root of 2251574543 is about 47450.7591403973. The cubic root of 2251574543 is about 1310.6762902769.

The spelling of 2251574543 in words is "two billion, two hundred fifty-one million, five hundred seventy-four thousand, five hundred forty-three".