2256345001 has 3 divisors (see below), whose sum is σ = 2256392503. Its totient is φ = 2256297500.

The previous prime is 2256344963. The next prime is 2256345023. The reversal of 2256345001 is 1005436522.

The square root of 2256345001 is 47501.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1335829401 + 920515600 = 36549^2 + 30340^2 .

It is not a de Polignac number, because 2256345001 - 2¹³ = 2256336809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256345041) 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 2 ways as a sum of consecutive naturals, for example, 23751 + ... + 71251.

Almost surely, 2^2256345001 is an apocalyptic number.

2256345001 is the 47501-st square number.

2256345001 is the 23751-st centered octagonal number.

It is an amenable number.

2256345001 is a deficient number, since it is larger than the sum of its proper divisors (47502).

2256345001 is an frugal number, since it uses more digits than its factorization.

2256345001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95002 (or 47501 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The cubic root of 2256345001 is about 1311.6012897205.

The spelling of 2256345001 in words is "two billion, two hundred fifty-six million, three hundred forty-five thousand, one".