225486031 has 2 divisors, whose sum is σ = 225486032. Its totient is φ = 225486030.

The previous prime is 225486007. The next prime is 225486067. The reversal of 225486031 is 130684522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225486031 - 2¹³ = 225477839 is a prime.

It is a super-2 number, since 2×225486031² = 101687900352265922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225485984 and 225486002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225486431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112743015 + 112743016.

It is an arithmetic number, because the mean of its divisors is an integer number (112743016).

Almost surely, 2^225486031 is an apocalyptic number.

225486031 is a deficient number, since it is larger than the sum of its proper divisors (1).

225486031 is an equidigital number, since it uses as much as digits as its factorization.

225486031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 225486031 is about 15016.1922936542. The cubic root of 225486031 is about 608.6578310704.

The spelling of 225486031 in words is "two hundred twenty-five million, four hundred eighty-six thousand, thirty-one".