2531162474 has 4 divisors (see below), whose sum is σ = 3796743714. Its totient is φ = 1265581236.

The previous prime is 2531162441. The next prime is 2531162477. The reversal of 2531162474 is 4742611352.

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., 1969140625 + 562021849 = 44375^2 + 23707^2 .

It is not an unprimeable number, because it can be changed into a prime (2531162477) 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 as a sum of consecutive naturals, namely, 632790617 + ... + 632790620.

Almost surely, 2^2531162474 is an apocalyptic number.

2531162474 is a deficient number, since it is larger than the sum of its proper divisors (1265581240).

2531162474 is a wasteful number, since it uses less digits than its factorization.

2531162474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265581239.

The product of its digits is 40320, while the sum is 35.

The square root of 2531162474 is about 50310.6596458444. The cubic root of 2531162474 is about 1362.8247362656.

The spelling of 2531162474 in words is "two billion, five hundred thirty-one million, one hundred sixty-two thousand, four hundred seventy-four".