1005225433 has 4 divisors (see below), whose sum is σ = 1006526628. Its totient is φ = 1003924240.

The previous prime is 1005225407. The next prime is 1005225443. The reversal of 1005225433 is 3345225001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 221057424 + 784168009 = 14868^2 + 28003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005225433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1005225398 and 1005225407.

It is not an unprimeable number, because it can be changed into a prime (1005225443) 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, 649438 + ... + 650983.

It is an arithmetic number, because the mean of its divisors is an integer number (251631657).

Almost surely, 2^1005225433 is an apocalyptic number.

It is an amenable number.

1005225433 is a deficient number, since it is larger than the sum of its proper divisors (1301195).

1005225433 is an equidigital number, since it uses as much as digits as its factorization.

1005225433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301194.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1005225433 is about 31705.2902998853. The cubic root of 1005225433 is about 1001.7387858714.

The spelling of 1005225433 in words is "one billion, five million, two hundred twenty-five thousand, four hundred thirty-three".