225142523 has 2 divisors, whose sum is σ = 225142524. Its totient is φ = 225142522.

The previous prime is 225142517. The next prime is 225142583. The reversal of 225142523 is 325241522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225142523 - 2⁴ = 225142507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225142492 and 225142501.

It is not a weakly prime, because it can be changed into another prime (225142583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112571261 + 112571262.

It is an arithmetic number, because the mean of its divisors is an integer number (112571262).

Almost surely, 2^225142523 is an apocalyptic number.

225142523 is a deficient number, since it is larger than the sum of its proper divisors (1).

225142523 is an equidigital number, since it uses as much as digits as its factorization.

225142523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 26.

The square root of 225142523 is about 15004.7500145787. The cubic root of 225142523 is about 608.3485952177.

The spelling of 225142523 in words is "two hundred twenty-five million, one hundred forty-two thousand, five hundred twenty-three".