3621157033 has 8 divisors (see below), whose sum is σ = 4005105608. Its totient is φ = 3252265344.

The previous prime is 3621157019. The next prime is 3621157039. The reversal of 3621157033 is 3307511263.

It can be written as a sum of positive squares in 4 ways, for example, as 909143104 + 2712013929 = 30152^2 + 52077^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3621157033 - 2⁹ = 3621156521 is a prime.

It is a super-2 number, since 2×3621157033² = 26225556515290726178, 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 = 3621156986 and 3621157004.

It is not an unprimeable number, because it can be changed into a prime (3621157039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3763716 + ... + 3764677.

It is an arithmetic number, because the mean of its divisors is an integer number (500638201).

Almost surely, 2^3621157033 is an apocalyptic number.

It is an amenable number.

3621157033 is a deficient number, since it is larger than the sum of its proper divisors (383948575).

3621157033 is a wasteful number, since it uses less digits than its factorization.

3621157033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528443.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3621157033 is about 60176.0503273520. The cubic root of 3621157033 is about 1535.6153789633.

Adding to 3621157033 its reverse (3307511263), we get a palindrome (6928668296).

The spelling of 3621157033 in words is "three billion, six hundred twenty-one million, one hundred fifty-seven thousand, thirty-three".