2531453505 has 32 divisors (see below), whose sum is σ = 4872576000. Its totient is φ = 1096327872.

The previous prime is 2531453501. The next prime is 2531453567. The reversal of 2531453505 is 5053541352.

It is a happy number.

It is not a de Polignac number, because 2531453505 - 2² = 2531453501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2531453501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 632455 + ... + 636444.

It is an arithmetic number, because the mean of its divisors is an integer number (152268000).

Almost surely, 2^2531453505 is an apocalyptic number.

It is an amenable number.

2531453505 is a deficient number, since it is larger than the sum of its proper divisors (2341122495).

2531453505 is a wasteful number, since it uses less digits than its factorization.

2531453505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268933.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 2531453505 is about 50313.5519020472. The cubic root of 2531453505 is about 1362.8769664233.

Adding to 2531453505 its reverse (5053541352), we get a palindrome (7584994857).

The spelling of 2531453505 in words is "two billion, five hundred thirty-one million, four hundred fifty-three thousand, five hundred five".