2256020501 has 4 divisors (see below), whose sum is σ = 2578309152. Its totient is φ = 1933731852.

The previous prime is 2256020491. The next prime is 2256020579. The reversal of 2256020501 is 1050206522.

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 2256020501 - 2¹⁴ = 2256004117 is a prime.

It is a super-3 number, since 3×2256020501³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256020801) 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, 161144315 + ... + 161144328.

It is an arithmetic number, because the mean of its divisors is an integer number (644577288).

Almost surely, 2^2256020501 is an apocalyptic number.

It is an amenable number.

2256020501 is a deficient number, since it is larger than the sum of its proper divisors (322288651).

2256020501 is an equidigital number, since it uses as much as digits as its factorization.

2256020501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322288650.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2256020501 is about 47497.5841596181. The cubic root of 2256020501 is about 1311.5384100008.

The spelling of 2256020501 in words is "two billion, two hundred fifty-six million, twenty thousand, five hundred one".