225377953 has 4 divisors (see below), whose sum is σ = 225411120. Its totient is φ = 225344788.

The previous prime is 225377947. The next prime is 225377983. The reversal of 225377953 is 359773522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 359773522 = 2 ⋅179886761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225377953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225377903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2275 + ... + 21352.

It is an arithmetic number, because the mean of its divisors is an integer number (56352780).

Almost surely, 2^225377953 is an apocalyptic number.

It is an amenable number.

225377953 is a deficient number, since it is larger than the sum of its proper divisors (33167).

225377953 is an equidigital number, since it uses as much as digits as its factorization.

225377953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33166.

The product of its digits is 396900, while the sum is 43.

The square root of 225377953 is about 15012.5931470882. The cubic root of 225377953 is about 608.5605700063.

The spelling of 225377953 in words is "two hundred twenty-five million, three hundred seventy-seven thousand, nine hundred fifty-three".