2621472001 has 4 divisors (see below), whose sum is σ = 2622056112. Its totient is φ = 2620887892.

The previous prime is 2621471999. The next prime is 2621472013. The reversal of 2621472001 is 1002741262.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1002741262 = 2 ⋅501370631.

It is a cyclic number.

It is not a de Polignac number, because 2621472001 - 2¹ = 2621471999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2621472071) 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, 285271 + ... + 294316.

It is an arithmetic number, because the mean of its divisors is an integer number (655514028).

Almost surely, 2^2621472001 is an apocalyptic number.

It is an amenable number.

2621472001 is a deficient number, since it is larger than the sum of its proper divisors (584111).

2621472001 is an equidigital number, since it uses as much as digits as its factorization.

2621472001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584110.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2621472001 is about 51200.3125088119. The cubic root of 2621472001 is about 1378.8438122799.

The spelling of 2621472001 in words is "two billion, six hundred twenty-one million, four hundred seventy-two thousand, one".