3551003045 has 4 divisors (see below), whose sum is σ = 4261203660. Its totient is φ = 2840802432.

The previous prime is 3551003041. The next prime is 3551003047. The reversal of 3551003045 is 5403001553.

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 1374407329 + 2176595716 = 37073^2 + 46654^2 .

It is a cyclic number.

It is not a de Polignac number, because 3551003045 - 2² = 3551003041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551003041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355100300 + ... + 355100309.

It is an arithmetic number, because the mean of its divisors is an integer number (1065300915).

Almost surely, 2^3551003045 is an apocalyptic number.

It is an amenable number.

3551003045 is a deficient number, since it is larger than the sum of its proper divisors (710200615).

3551003045 is an equidigital number, since it uses as much as digits as its factorization.

3551003045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710200614.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 3551003045 is about 59590.2932112269. The cubic root of 3551003045 is about 1525.6339630581.

Adding to 3551003045 its reverse (5403001553), we get a palindrome (8954004598).

The spelling of 3551003045 in words is "three billion, five hundred fifty-one million, three thousand, forty-five".