2524312397 has 4 divisors (see below), whose sum is σ = 2524414620. Its totient is φ = 2524210176.

The previous prime is 2524312369. The next prime is 2524312421. The reversal of 2524312397 is 7932134252.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1159674916 + 1364637481 = 34054^2 + 36941^2 .

It is a cyclic number.

It is not a de Polignac number, because 2524312397 - 2¹⁰ = 2524311373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2524312397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2524312327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11483 + ... + 71975.

It is an arithmetic number, because the mean of its divisors is an integer number (631103655).

Almost surely, 2^2524312397 is an apocalyptic number.

It is an amenable number.

2524312397 is a deficient number, since it is larger than the sum of its proper divisors (102223).

2524312397 is an equidigital number, since it uses as much as digits as its factorization.

2524312397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102222.

The product of its digits is 90720, while the sum is 38.

The square root of 2524312397 is about 50242.5357341765. The cubic root of 2524312397 is about 1361.5942227940.

The spelling of 2524312397 in words is "two billion, five hundred twenty-four million, three hundred twelve thousand, three hundred ninety-seven".