2540585475 has 72 divisors (see below), whose sum is σ = 4880781360. Its totient is φ = 1259331840.

The previous prime is 2540585471. The next prime is 2540585479. The reversal of 2540585475 is 5745850452.

2540585475 is a `hidden beast` number, since 2 + 54 + 0 + 58 + 547 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2540585471) and next prime (2540585479).

It is not a de Polignac number, because 2540585475 - 2² = 2540585471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2540585475.

It is not an unprimeable number, because it can be changed into a prime (2540585471) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 220969 + ... + 232181.

It is an arithmetic number, because the mean of its divisors is an integer number (67788630).

Almost surely, 2^2540585475 is an apocalyptic number.

2540585475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2540585475 is a deficient number, since it is larger than the sum of its proper divisors (2340195885).

2540585475 is a wasteful number, since it uses less digits than its factorization.

2540585475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11301 (or 11293 counting only the distinct ones).

The product of its (nonzero) digits is 1120000, while the sum is 45.

The square root of 2540585475 is about 50404.2208054048. The cubic root of 2540585475 is about 1364.5138146949.

The spelling of 2540585475 in words is "two billion, five hundred forty million, five hundred eighty-five thousand, four hundred seventy-five".