2536650401 has 4 divisors (see below), whose sum is σ = 2537172672. Its totient is φ = 2536128132.

The previous prime is 2536650397. The next prime is 2536650409. The reversal of 2536650401 is 1040566352.

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 2536650401 - 2² = 2536650397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2536650409) 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, 253781 + ... + 263586.

It is an arithmetic number, because the mean of its divisors is an integer number (634293168).

Almost surely, 2^2536650401 is an apocalyptic number.

It is an amenable number.

2536650401 is a deficient number, since it is larger than the sum of its proper divisors (522271).

2536650401 is an equidigital number, since it uses as much as digits as its factorization.

2536650401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522270.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2536650401 is about 50365.1705149501. The cubic root of 2536650401 is about 1363.8089591275.

The spelling of 2536650401 in words is "two billion, five hundred thirty-six million, six hundred fifty thousand, four hundred one".