2563146401 has 4 divisors (see below), whose sum is σ = 2566269204. Its totient is φ = 2560023600.

The previous prime is 2563146367. The next prime is 2563146403. The reversal of 2563146401 is 1046413652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 323964001 + 2239182400 = 17999^2 + 47320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2563146401 - 2³⁰ = 1489404577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2563146403) 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, 1560170 + ... + 1561811.

It is an arithmetic number, because the mean of its divisors is an integer number (641567301).

Almost surely, 2^2563146401 is an apocalyptic number.

It is an amenable number.

2563146401 is a deficient number, since it is larger than the sum of its proper divisors (3122803).

2563146401 is an equidigital number, since it uses as much as digits as its factorization.

2563146401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122802.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2563146401 is about 50627.5261196911. The cubic root of 2563146401 is about 1368.5409726854.

The spelling of 2563146401 in words is "two billion, five hundred sixty-three million, one hundred forty-six thousand, four hundred one".