1025663433 has 4 divisors (see below), whose sum is σ = 1367551248. Its totient is φ = 683775620.

The previous prime is 1025663417. The next prime is 1025663461. The reversal of 1025663433 is 3343665201.

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 1025663433 - 2⁴ = 1025663417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025663394 and 1025663403.

It is not an unprimeable number, because it can be changed into a prime (1025661433) 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, 170943903 + ... + 170943908.

It is an arithmetic number, because the mean of its divisors is an integer number (341887812).

Almost surely, 2^1025663433 is an apocalyptic number.

It is an amenable number.

1025663433 is a deficient number, since it is larger than the sum of its proper divisors (341887815).

1025663433 is an equidigital number, since it uses as much as digits as its factorization.

1025663433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341887814.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 1025663433 is about 32025.9805938866. The cubic root of 1025663433 is about 1008.4823244054.

The spelling of 1025663433 in words is "one billion, twenty-five million, six hundred sixty-three thousand, four hundred thirty-three".