2551405353 has 24 divisors (see below), whose sum is σ = 3963583008. Its totient is φ = 1455624576.

The previous prime is 2551405349. The next prime is 2551405361. The reversal of 2551405353 is 3535041552.

It is a happy number.

It is not a de Polignac number, because 2551405353 - 2² = 2551405349 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2551405393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81025 + ... + 108017.

It is an arithmetic number, because the mean of its divisors is an integer number (165149292).

Almost surely, 2^2551405353 is an apocalyptic number.

It is an amenable number.

2551405353 is a deficient number, since it is larger than the sum of its proper divisors (1412177655).

2551405353 is a wasteful number, since it uses less digits than its factorization.

2551405353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27653 (or 27646 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 2551405353 is about 50511.4378433242. The cubic root of 2551405353 is about 1366.4481409543.

The spelling of 2551405353 in words is "two billion, five hundred fifty-one million, four hundred five thousand, three hundred fifty-three".