2497959538 has 4 divisors (see below), whose sum is σ = 3746939310. Its totient is φ = 1248979768.

The previous prime is 2497959533. The next prime is 2497959557. The reversal of 2497959538 is 8359597942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1513443409 + 984516129 = 38903^2 + 31377^2 .

It is not an unprimeable number, because it can be changed into a prime (2497959533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624489883 + ... + 624489886.

Almost surely, 2^2497959538 is an apocalyptic number.

2497959538 is a deficient number, since it is larger than the sum of its proper divisors (1248979772).

2497959538 is a wasteful number, since it uses less digits than its factorization.

2497959538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248979771.

The product of its digits is 24494400, while the sum is 61.

The square root of 2497959538 is about 49979.5912148149. The cubic root of 2497959538 is about 1356.8394633947.

The spelling of 2497959538 in words is "two billion, four hundred ninety-seven million, nine hundred fifty-nine thousand, five hundred thirty-eight".