2354650561 has 2 divisors, whose sum is σ = 2354650562. Its totient is φ = 2354650560.

The previous prime is 2354650549. The next prime is 2354650579. The reversal of 2354650561 is 1650564532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1905846336 + 448804225 = 43656^2 + 21185^2 .

It is a cyclic number.

It is not a de Polignac number, because 2354650561 - 2²⁷ = 2220432833 is a prime.

It is a super-2 number, since 2×2354650561² = 11088758528835229442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2354650561.

It is not a weakly prime, because it can be changed into another prime (2354650061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177325280 + 1177325281.

It is an arithmetic number, because the mean of its divisors is an integer number (1177325281).

Almost surely, 2^2354650561 is an apocalyptic number.

It is an amenable number.

2354650561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2354650561 is an equidigital number, since it uses as much as digits as its factorization.

2354650561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 2354650561 is about 48524.7417406832. The cubic root of 2354650561 is about 1330.3793293047.

The spelling of 2354650561 in words is "two billion, three hundred fifty-four million, six hundred fifty thousand, five hundred sixty-one".