225142651 has 2 divisors, whose sum is σ = 225142652. Its totient is φ = 225142650.

The previous prime is 225142613. The next prime is 225142657. The reversal of 225142651 is 156241522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225142651 - 2⁷ = 225142523 is a prime.

It is not a weakly prime, because it can be changed into another prime (225142657) 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, 112571325 + 112571326.

It is an arithmetic number, because the mean of its divisors is an integer number (112571326).

Almost surely, 2^225142651 is an apocalyptic number.

225142651 is a deficient number, since it is larger than the sum of its proper divisors (1).

225142651 is an equidigital number, since it uses as much as digits as its factorization.

225142651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 225142651 is about 15004.7542798941. The cubic root of 225142651 is about 608.3487105056.

The spelling of 225142651 in words is "two hundred twenty-five million, one hundred forty-two thousand, six hundred fifty-one".