2540085031 has 16 divisors (see below), whose sum is σ = 2871540000. Its totient is φ = 2225664000.

The previous prime is 2540085029. The next prime is 2540085043. The reversal of 2540085031 is 1305800452.

It is a cyclic number.

It is not a de Polignac number, because 2540085031 - 2¹ = 2540085029 is a prime.

It is a super-2 number, since 2×2540085031² = 12904063929420541922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540085011) 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 15 ways as a sum of consecutive naturals, for example, 185095 + ... + 198343.

It is an arithmetic number, because the mean of its divisors is an integer number (179471250).

Almost surely, 2^2540085031 is an apocalyptic number.

2540085031 is a deficient number, since it is larger than the sum of its proper divisors (331454969).

2540085031 is a wasteful number, since it uses less digits than its factorization.

2540085031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13890.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2540085031 is about 50399.2562544330. The cubic root of 2540085031 is about 1364.4242149288.

Adding to 2540085031 its reverse (1305800452), we get a palindrome (3845885483).

The spelling of 2540085031 in words is "two billion, five hundred forty million, eighty-five thousand, thirty-one".