225146953 has 2 divisors, whose sum is σ = 225146954. Its totient is φ = 225146952.

The previous prime is 225146947. The next prime is 225146969. The reversal of 225146953 is 359641522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187361344 + 37785609 = 13688^2 + 6147^2 .

It is a cyclic number.

It is not a de Polignac number, because 225146953 - 2¹⁷ = 225015881 is a prime.

It is not a weakly prime, because it can be changed into another prime (225146983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112573476 + 112573477.

It is an arithmetic number, because the mean of its divisors is an integer number (112573477).

Almost surely, 2^225146953 is an apocalyptic number.

It is an amenable number.

225146953 is a deficient number, since it is larger than the sum of its proper divisors (1).

225146953 is an equidigital number, since it uses as much as digits as its factorization.

225146953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 225146953 is about 15004.8976337728. The cubic root of 225146953 is about 608.3525852334.

It can be divided in two parts, 2251469 and 53, that added together give a palindrome (2251522).

The spelling of 225146953 in words is "two hundred twenty-five million, one hundred forty-six thousand, nine hundred fifty-three".