2575046409 has 24 divisors (see below), whose sum is σ = 3754703232. Its totient is φ = 1568923200.

The previous prime is 2575046381. The next prime is 2575046431. The reversal of 2575046409 is 9046405752.

It is not a de Polignac number, because 2575046409 - 2¹² = 2575042313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2575046449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26064 + ... + 76350.

It is an arithmetic number, because the mean of its divisors is an integer number (156445968).

Almost surely, 2^2575046409 is an apocalyptic number.

It is an amenable number.

2575046409 is a deficient number, since it is larger than the sum of its proper divisors (1179656823).

2575046409 is a wasteful number, since it uses less digits than its factorization.

2575046409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50417 (or 50404 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 2575046409 is about 50744.9151048654. The cubic root of 2575046409 is about 1370.6556275499.

The spelling of 2575046409 in words is "two billion, five hundred seventy-five million, forty-six thousand, four hundred nine".