229525961 has 4 divisors (see below), whose sum is σ = 262315392. Its totient is φ = 196736532.

The previous prime is 229525937. The next prime is 229525963. The reversal of 229525961 is 169525922.

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: 169525922 = 2 ⋅84762961.

It is a cyclic number.

It is not a de Polignac number, because 229525961 - 2²⁶ = 162417097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229525963) 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, 16394705 + ... + 16394718.

It is an arithmetic number, because the mean of its divisors is an integer number (65578848).

Almost surely, 2^229525961 is an apocalyptic number.

It is an amenable number.

229525961 is a deficient number, since it is larger than the sum of its proper divisors (32789431).

229525961 is an equidigital number, since it uses as much as digits as its factorization.

229525961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32789430.

The product of its digits is 97200, while the sum is 41.

The square root of 229525961 is about 15150.1142239918. The cubic root of 229525961 is about 612.2713502229.

The spelling of 229525961 in words is "two hundred twenty-nine million, five hundred twenty-five thousand, nine hundred sixty-one".