225765077 has 4 divisors (see below), whose sum is σ = 225853836. Its totient is φ = 225676320.

The previous prime is 225765053. The next prime is 225765091. The reversal of 225765077 is 770567522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68989636 + 156775441 = 8306^2 + 12521^2 .

It is a cyclic number.

It is not a de Polignac number, because 225765077 - 2¹² = 225760981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225765577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40448 + ... + 45689.

It is an arithmetic number, because the mean of its divisors is an integer number (56463459).

Almost surely, 2^225765077 is an apocalyptic number.

It is an amenable number.

225765077 is a deficient number, since it is larger than the sum of its proper divisors (88759).

225765077 is an equidigital number, since it uses as much as digits as its factorization.

225765077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88758.

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 225765077 is about 15025.4809240836. The cubic root of 225765077 is about 608.9088052561.

The spelling of 225765077 in words is "two hundred twenty-five million, seven hundred sixty-five thousand, seventy-seven".