2353948561 has 2 divisors, whose sum is σ = 2353948562. Its totient is φ = 2353948560.

The previous prime is 2353948559. The next prime is 2353948577. The reversal of 2353948561 is 1658493532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1343662336 + 1010286225 = 36656^2 + 31785^2 .

It is a cyclic number.

It is not a de Polignac number, because 2353948561 - 2¹ = 2353948559 is a prime.

Together with 2353948559, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2353948511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1176974280 + 1176974281.

It is an arithmetic number, because the mean of its divisors is an integer number (1176974281).

Almost surely, 2^2353948561 is an apocalyptic number.

It is an amenable number.

2353948561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2353948561 is an equidigital number, since it uses as much as digits as its factorization.

2353948561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 46.

The square root of 2353948561 is about 48517.5077781207. The cubic root of 2353948561 is about 1330.2471059887.

The spelling of 2353948561 in words is "two billion, three hundred fifty-three million, nine hundred forty-eight thousand, five hundred sixty-one".