250423543 has 2 divisors, whose sum is σ = 250423544. Its totient is φ = 250423542.

The previous prime is 250423519. The next prime is 250423559. The reversal of 250423543 is 345324052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250423543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250423513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125211771 + 125211772.

It is an arithmetic number, because the mean of its divisors is an integer number (125211772).

Almost surely, 2^250423543 is an apocalyptic number.

250423543 is a deficient number, since it is larger than the sum of its proper divisors (1).

250423543 is an equidigital number, since it uses as much as digits as its factorization.

250423543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 250423543 is about 15824.7762385444. The cubic root of 250423543 is about 630.3160780611.

Adding to 250423543 its reverse (345324052), we get a palindrome (595747595).

The spelling of 250423543 in words is "two hundred fifty million, four hundred twenty-three thousand, five hundred forty-three".