2531740417 has 4 divisors (see below), whose sum is σ = 2532997636. Its totient is φ = 2530483200.

The previous prime is 2531740381. The next prime is 2531740489. The reversal of 2531740417 is 7140471352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 967458816 + 1564281601 = 31104^2 + 39551^2 .

It is a cyclic number.

It is not a de Polignac number, because 2531740417 - 2¹¹ = 2531738369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2531740217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625584 + ... + 629617.

It is an arithmetic number, because the mean of its divisors is an integer number (633249409).

Almost surely, 2^2531740417 is an apocalyptic number.

It is an amenable number.

2531740417 is a deficient number, since it is larger than the sum of its proper divisors (1257219).

2531740417 is a wasteful number, since it uses less digits than its factorization.

2531740417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257218.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 2531740417 is about 50316.4030610297. The cubic root of 2531740417 is about 1362.9284534423.

The spelling of 2531740417 in words is "two billion, five hundred thirty-one million, seven hundred forty thousand, four hundred seventeen".