225251201501 has 2 divisors, whose sum is σ = 225251201502. Its totient is φ = 225251201500.

The previous prime is 225251201453. The next prime is 225251201531. The reversal of 225251201501 is 105102152522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222302820100 + 2948381401 = 471490^2 + 54299^2 .

It is a cyclic number.

It is not a de Polignac number, because 225251201501 - 2⁶ = 225251201437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225251201531) 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 as a sum of consecutive naturals, namely, 112625600750 + 112625600751.

It is an arithmetic number, because the mean of its divisors is an integer number (112625600751).

Almost surely, 2^225251201501 is an apocalyptic number.

It is an amenable number.

225251201501 is a deficient number, since it is larger than the sum of its proper divisors (1).

225251201501 is an equidigital number, since it uses as much as digits as its factorization.

225251201501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 225251201501 in words is "two hundred twenty-five billion, two hundred fifty-one million, two hundred one thousand, five hundred one".