2237032561 has 2 divisors, whose sum is σ = 2237032562. Its totient is φ = 2237032560.

The previous prime is 2237032549. The next prime is 2237032663. The reversal of 2237032561 is 1652307322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1335171600 + 901860961 = 36540^2 + 30031^2 .

It is a cyclic number.

It is not a de Polignac number, because 2237032561 - 2⁷ = 2237032433 is a prime.

It is not a weakly prime, because it can be changed into another prime (2237032531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118516280 + 1118516281.

It is an arithmetic number, because the mean of its divisors is an integer number (1118516281).

Almost surely, 2^2237032561 is an apocalyptic number.

It is an amenable number.

2237032561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2237032561 is an equidigital number, since it uses as much as digits as its factorization.

2237032561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 2237032561 is about 47297.2785792164. The cubic root of 2237032561 is about 1307.8484895987.

Adding to 2237032561 its reverse (1652307322), we get a palindrome (3889339883).

The spelling of 2237032561 in words is "two billion, two hundred thirty-seven million, thirty-two thousand, five hundred sixty-one".