2451211005 has 16 divisors (see below), whose sum is σ = 3926793024. Its totient is φ = 1305694080.

The previous prime is 2451211003. The next prime is 2451211043. The reversal of 2451211005 is 5001121542.

It is not a de Polignac number, because 2451211005 - 2¹ = 2451211003 is a prime.

It is a super-2 number, since 2×2451211005² = 12016870782066220050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451211003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88584 + ... + 112913.

It is an arithmetic number, because the mean of its divisors is an integer number (245424564).

Almost surely, 2^2451211005 is an apocalyptic number.

It is an amenable number.

2451211005 is a deficient number, since it is larger than the sum of its proper divisors (1475582019).

2451211005 is a wasteful number, since it uses less digits than its factorization.

2451211005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202316.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2451211005 is about 49509.7061695987. The cubic root of 2451211005 is about 1348.3218297012.

Adding to 2451211005 its reverse (5001121542), we get a palindrome (7452332547).

The spelling of 2451211005 in words is "two billion, four hundred fifty-one million, two hundred eleven thousand, five".