225377507 has 2 divisors, whose sum is σ = 225377508. Its totient is φ = 225377506.

The previous prime is 225377497. The next prime is 225377539. The reversal of 225377507 is 705773522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225377507 is a prime.

It is not a weakly prime, because it can be changed into another prime (225377557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112688753 + 112688754.

It is an arithmetic number, because the mean of its divisors is an integer number (112688754).

Almost surely, 2^225377507 is an apocalyptic number.

225377507 is a deficient number, since it is larger than the sum of its proper divisors (1).

225377507 is an equidigital number, since it uses as much as digits as its factorization.

225377507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 225377507 is about 15012.5782928849. The cubic root of 225377507 is about 608.5601685796.

The spelling of 225377507 in words is "two hundred twenty-five million, three hundred seventy-seven thousand, five hundred seven".