2451505133 has 18 divisors (see below), whose sum is σ = 3134576718. Its totient is φ = 1910259120.

The previous prime is 2451505129. The next prime is 2451505139. The reversal of 2451505133 is 3315051542.

It can be written as a sum of positive squares in only one way, i.e., 2235209284 + 216295849 = 47278^2 + 14707^2 .

It is not a de Polignac number, because 2451505133 - 2² = 2451505129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2451505096 and 2451505105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451505139) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 200810 + ... + 212667.

It is an arithmetic number, because the mean of its divisors is an integer number (174143151).

Almost surely, 2^2451505133 is an apocalyptic number.

It is an amenable number.

2451505133 is a deficient number, since it is larger than the sum of its proper divisors (683071585).

2451505133 is a wasteful number, since it uses less digits than its factorization.

2451505133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413513 (or 413495 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2451505133 is about 49512.6764879460. The cubic root of 2451505133 is about 1348.3757572416.

Adding to 2451505133 its reverse (3315051542), we get a palindrome (5766556675).

The spelling of 2451505133 in words is "two billion, four hundred fifty-one million, five hundred five thousand, one hundred thirty-three".