562540423 has 2 divisors, whose sum is σ = 562540424. Its totient is φ = 562540422.

The previous prime is 562540403. The next prime is 562540439. The reversal of 562540423 is 324045265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 562540423 - 2²¹ = 560443271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (562540403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281270211 + 281270212.

It is an arithmetic number, because the mean of its divisors is an integer number (281270212).

Almost surely, 2^562540423 is an apocalyptic number.

562540423 is a deficient number, since it is larger than the sum of its proper divisors (1).

562540423 is an equidigital number, since it uses as much as digits as its factorization.

562540423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 562540423 is about 23717.9346276188. The cubic root of 562540423 is about 825.5015856471.

Adding to 562540423 its reverse (324045265), we get a palindrome (886585688).

The spelling of 562540423 in words is "five hundred sixty-two million, five hundred forty thousand, four hundred twenty-three".