2531415424 has 16 divisors (see below), whose sum is σ = 5043054420. Its totient is φ = 1265707648.

The previous prime is 2531415401. The next prime is 2531415427. The reversal of 2531415424 is 4245141352.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531415427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9888214 + ... + 9888469.

Almost surely, 2^2531415424 is an apocalyptic number.

It is an amenable number.

2531415424 is a deficient number, since it is larger than the sum of its proper divisors (2511638996).

2531415424 is an equidigital number, since it uses as much as digits as its factorization.

2531415424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19776697 (or 19776685 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 2531415424 is about 50313.1734638156. The cubic root of 2531415424 is about 1362.8701324077.

Adding to 2531415424 its reverse (4245141352), we get a palindrome (6776556776).

The spelling of 2531415424 in words is "two billion, five hundred thirty-one million, four hundred fifteen thousand, four hundred twenty-four".