2531365093 has 16 divisors (see below), whose sum is σ = 2718120240. Its totient is φ = 2349039616.

The previous prime is 2531365069. The next prime is 2531365103. The reversal of 2531365093 is 3905631352.

It can be written as a sum of positive squares in 8 ways, for example, as 260080129 + 2271284964 = 16127^2 + 47658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2531365093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531365013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375093 + ... + 381781.

It is an arithmetic number, because the mean of its divisors is an integer number (169882515).

Almost surely, 2^2531365093 is an apocalyptic number.

It is an amenable number.

2531365093 is a deficient number, since it is larger than the sum of its proper divisors (186755147).

2531365093 is a wasteful number, since it uses less digits than its factorization.

2531365093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7016.

The product of its (nonzero) digits is 72900, while the sum is 37.

The square root of 2531365093 is about 50312.6732841736. The cubic root of 2531365093 is about 1362.8610999022.

The spelling of 2531365093 in words is "two billion, five hundred thirty-one million, three hundred sixty-five thousand, ninety-three".