2251455001 has 8 divisors (see below), whose sum is σ = 2266850664. Its totient is φ = 2236108800.

The previous prime is 2251454987. The next prime is 2251455007. The reversal of 2251455001 is 1005541522.

It can be written as a sum of positive squares in 4 ways, for example, as 1012766976 + 1238688025 = 31824^2 + 35195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2251455001 - 2²⁹ = 1714584089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251455007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81385 + ... + 105481.

It is an arithmetic number, because the mean of its divisors is an integer number (283356333).

Almost surely, 2^2251455001 is an apocalyptic number.

It is an amenable number.

2251455001 is a deficient number, since it is larger than the sum of its proper divisors (15395663).

2251455001 is a wasteful number, since it uses less digits than its factorization.

2251455001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24731.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2251455001 is about 47449.4994810272. The cubic root of 2251455001 is about 1310.6530941186.

Adding to 2251455001 its reverse (1005541522), we get a palindrome (3256996523).

The spelling of 2251455001 in words is "two billion, two hundred fifty-one million, four hundred fifty-five thousand, one".