2575731345 has 32 divisors (see below), whose sum is σ = 4500365184. Its totient is φ = 1247577600.

The previous prime is 2575731341. The next prime is 2575731349. The reversal of 2575731345 is 5431375752.

It is an interprime number because it is at equal distance from previous prime (2575731341) and next prime (2575731349).

It is not a de Polignac number, because 2575731345 - 2² = 2575731341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2575731297 and 2575731306.

It is not an unprimeable number, because it can be changed into a prime (2575731341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167709 + ... + 182421.

It is an arithmetic number, because the mean of its divisors is an integer number (140636412).

Almost surely, 2^2575731345 is an apocalyptic number.

It is an amenable number.

2575731345 is a deficient number, since it is larger than the sum of its proper divisors (1924633839).

2575731345 is a wasteful number, since it uses less digits than its factorization.

2575731345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15793.

The product of its digits is 441000, while the sum is 42.

The square root of 2575731345 is about 50751.6634702745. The cubic root of 2575731345 is about 1370.7771435678. Note that the first 3 decimals are identical.

The spelling of 2575731345 in words is "two billion, five hundred seventy-five million, seven hundred thirty-one thousand, three hundred forty-five".