2621026201 has 4 divisors (see below), whose sum is σ = 2624632192. Its totient is φ = 2617420212.

The previous prime is 2621026189. The next prime is 2621026211. The reversal of 2621026201 is 1026201262.

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 2621026201 - 2⁹ = 2621025689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2621026211) 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, 1801905 + ... + 1803358.

It is an arithmetic number, because the mean of its divisors is an integer number (656158048).

Almost surely, 2^2621026201 is an apocalyptic number.

It is an amenable number.

2621026201 is a deficient number, since it is larger than the sum of its proper divisors (3605991).

2621026201 is an equidigital number, since it uses as much as digits as its factorization.

2621026201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605990.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2621026201 is about 51195.9588346580. The cubic root of 2621026201 is about 1378.7656471093.

Adding to 2621026201 its reverse (1026201262), we get a palindrome (3647227463).

The spelling of 2621026201 in words is "two billion, six hundred twenty-one million, twenty-six thousand, two hundred one".