2661254353 has 8 divisors (see below), whose sum is σ = 2804458176. Its totient is φ = 2520342000.

The previous prime is 2661254291. The next prime is 2661254369. The reversal of 2661254353 is 3534521662.

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 2661254353 - 2⁹ = 2661253841 is a prime.

It is a super-2 number, since 2×2661254353² = 14164549462722897218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2661254383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570483 + ... + 575128.

It is an arithmetic number, because the mean of its divisors is an integer number (350557272).

Almost surely, 2^2661254353 is an apocalyptic number.

2661254353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2661254353 is a deficient number, since it is larger than the sum of its proper divisors (143203823).

2661254353 is a wasteful number, since it uses less digits than its factorization.

2661254353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145735.

The product of its digits is 129600, while the sum is 37.

The square root of 2661254353 is about 51587.3468304002. The cubic root of 2661254353 is about 1385.7837410991.

The spelling of 2661254353 in words is "two billion, six hundred sixty-one million, two hundred fifty-four thousand, three hundred fifty-three".