2551043353 has 4 divisors (see below), whose sum is σ = 2555707600. Its totient is φ = 2546379108.

The previous prime is 2551043309. The next prime is 2551043441. The reversal of 2551043353 is 3533401552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2551043353 - 2⁹ = 2551042841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551043653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2331303 + ... + 2332396.

It is an arithmetic number, because the mean of its divisors is an integer number (638926900).

Almost surely, 2^2551043353 is an apocalyptic number.

It is an amenable number.

2551043353 is a deficient number, since it is larger than the sum of its proper divisors (4664247).

2551043353 is an equidigital number, since it uses as much as digits as its factorization.

2551043353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664246.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2551043353 is about 50507.8543693949. The cubic root of 2551043353 is about 1366.3835128305.

The spelling of 2551043353 in words is "two billion, five hundred fifty-one million, forty-three thousand, three hundred fifty-three".