2351120545 has 8 divisors (see below), whose sum is σ = 2874577896. Its totient is φ = 1845407616.

The previous prime is 2351120543. The next prime is 2351120557. The reversal of 2351120545 is 5450211532.

It can be written as a sum of positive squares in 4 ways, for example, as 567916561 + 1783203984 = 23831^2 + 42228^2 .

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 2351120545 - 2¹ = 2351120543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2351120543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4435812 + ... + 4436341.

It is an arithmetic number, because the mean of its divisors is an integer number (359322237).

Almost surely, 2^2351120545 is an apocalyptic number.

It is an amenable number.

2351120545 is a deficient number, since it is larger than the sum of its proper divisors (523457351).

2351120545 is an equidigital number, since it uses as much as digits as its factorization.

2351120545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8872211.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2351120545 is about 48488.3547359570. The cubic root of 2351120545 is about 1329.7141762412.

The spelling of 2351120545 in words is "two billion, three hundred fifty-one million, one hundred twenty thousand, five hundred forty-five".