1633606241 has 4 divisors (see below), whose sum is σ = 1633748484. Its totient is φ = 1633464000.

The previous prime is 1633606223. The next prime is 1633606297. The reversal of 1633606241 is 1426063361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1426063361 = 37 ⋅38542253.

It can be written as a sum of positive squares in 2 ways, for example, as 366531025 + 1267075216 = 19145^2 + 35596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1633606241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1633606198 and 1633606207.

It is not an unprimeable number, because it can be changed into a prime (1633606841) 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, 52220 + ... + 77421.

It is an arithmetic number, because the mean of its divisors is an integer number (408437121).

Almost surely, 2^1633606241 is an apocalyptic number.

It is an amenable number.

1633606241 is a deficient number, since it is larger than the sum of its proper divisors (142243).

1633606241 is a wasteful number, since it uses less digits than its factorization.

1633606241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142242.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1633606241 is about 40417.8950589958. The cubic root of 1633606241 is about 1177.7391934174.

The spelling of 1633606241 in words is "one billion, six hundred thirty-three million, six hundred six thousand, two hundred forty-one".