225142751 has 2 divisors, whose sum is σ = 225142752. Its totient is φ = 225142750.

The previous prime is 225142741. The next prime is 225142777. The reversal of 225142751 is 157241522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225142751 - 2²² = 220948447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225142721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112571375 + 112571376.

It is an arithmetic number, because the mean of its divisors is an integer number (112571376).

Almost surely, 2^225142751 is an apocalyptic number.

225142751 is a deficient number, since it is larger than the sum of its proper divisors (1).

225142751 is an equidigital number, since it uses as much as digits as its factorization.

225142751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5600, while the sum is 29.

The square root of 225142751 is about 15004.7576121709. The cubic root of 225142751 is about 608.3488005742.

The spelling of 225142751 in words is "two hundred twenty-five million, one hundred forty-two thousand, seven hundred fifty-one".