2361234561 has 16 divisors (see below), whose sum is σ = 3623961600. Its totient is φ = 1339568208.

The previous prime is 2361234541. The next prime is 2361234581. The reversal of 2361234561 is 1654321632.

It is an interprime number because it is at equal distance from previous prime (2361234541) and next prime (2361234581).

It is not a de Polignac number, because 2361234561 - 2⁵ = 2361234529 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2361234511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401541 + ... + 407378.

It is an arithmetic number, because the mean of its divisors is an integer number (226497600).

Almost surely, 2^2361234561 is an apocalyptic number.

2361234561 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2361234561 is a deficient number, since it is larger than the sum of its proper divisors (1262727039).

2361234561 is a wasteful number, since it uses less digits than its factorization.

2361234561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809068.

The product of its digits is 25920, while the sum is 33.

The square root of 2361234561 is about 48592.5360626506. The cubic root of 2361234561 is about 1331.6181636672.

The spelling of 2361234561 in words is "two billion, three hundred sixty-one million, two hundred thirty-four thousand, five hundred sixty-one".