1061634433 has 4 divisors (see below), whose sum is σ = 1061711280. Its totient is φ = 1061557588.

The previous prime is 1061634403. The next prime is 1061634487. The reversal of 1061634433 is 3344361601.

It is a happy number.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1061634433 - 2²⁹ = 524763521 is a prime.

It is a super-2 number, since 2×1061634433² = 2254135338662462978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1061634395 and 1061634404.

It is not an unprimeable number, because it can be changed into a prime (1061634403) 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, 11335 + ... + 47452.

It is an arithmetic number, because the mean of its divisors is an integer number (265427820).

Almost surely, 2^1061634433 is an apocalyptic number.

It is an amenable number.

1061634433 is a deficient number, since it is larger than the sum of its proper divisors (76847).

1061634433 is an equidigital number, since it uses as much as digits as its factorization.

1061634433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76846.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 1061634433 is about 32582.7321291509. The cubic root of 1061634433 is about 1020.1366063994.

The spelling of 1061634433 in words is "one billion, sixty-one million, six hundred thirty-four thousand, four hundred thirty-three".