2361561213 has 8 divisors (see below), whose sum is σ = 3434998176. Its totient is φ = 1431249200.

The previous prime is 2361561197. The next prime is 2361561217. The reversal of 2361561213 is 3121651632.

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 2361561213 - 2⁴ = 2361561197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2361561217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35781198 + ... + 35781263.

It is an arithmetic number, because the mean of its divisors is an integer number (429374772).

Almost surely, 2^2361561213 is an apocalyptic number.

It is an amenable number.

2361561213 is a deficient number, since it is larger than the sum of its proper divisors (1073436963).

2361561213 is a wasteful number, since it uses less digits than its factorization.

2361561213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71562475.

The product of its digits is 6480, while the sum is 30.

The square root of 2361561213 is about 48595.8970798976. The cubic root of 2361561213 is about 1331.6795659646.

The spelling of 2361561213 in words is "two billion, three hundred sixty-one million, five hundred sixty-one thousand, two hundred thirteen".