436225261 has 4 divisors (see below), whose sum is σ = 436283712. Its totient is φ = 436166812.

The previous prime is 436225249. The next prime is 436225289. The reversal of 436225261 is 162522634.

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.

It is a cyclic number.

It is not a de Polignac number, because 436225261 - 2⁹ = 436224749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (436225861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16051 + ... + 33616.

It is an arithmetic number, because the mean of its divisors is an integer number (109070928).

Almost surely, 2^436225261 is an apocalyptic number.

It is an amenable number.

436225261 is a deficient number, since it is larger than the sum of its proper divisors (58451).

436225261 is an equidigital number, since it uses as much as digits as its factorization.

436225261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58450.

The product of its digits is 17280, while the sum is 31.

The square root of 436225261 is about 20886.0063439615. The cubic root of 436225261 is about 758.4092193538.

Adding to 436225261 its reverse (162522634), we get a palindrome (598747895).

The spelling of 436225261 in words is "four hundred thirty-six million, two hundred twenty-five thousand, two hundred sixty-one".