225015446531 has 2 divisors, whose sum is σ = 225015446532. Its totient is φ = 225015446530.

The previous prime is 225015446479. The next prime is 225015446549. The reversal of 225015446531 is 135644510522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225015446531 - 2¹⁴ = 225015430147 is a prime.

It is a super-2 number, since 2×225015446531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225015446561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112507723265 + 112507723266.

It is an arithmetic number, because the mean of its divisors is an integer number (112507723266).

Almost surely, 2^225015446531 is an apocalyptic number.

225015446531 is a deficient number, since it is larger than the sum of its proper divisors (1).

225015446531 is an equidigital number, since it uses as much as digits as its factorization.

225015446531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 225015446531 in words is "two hundred twenty-five billion, fifteen million, four hundred forty-six thousand, five hundred thirty-one".