2575507956 has 48 divisors (see below), whose sum is σ = 7272026496. Its totient is φ = 692573184.

The previous prime is 2575507903. The next prime is 2575507967. The reversal of 2575507956 is 6597055752.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 2575507899 and 2575507908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900361 + ... + 903216.

It is an arithmetic number, because the mean of its divisors is an integer number (151500552).

Almost surely, 2^2575507956 is an apocalyptic number.

It is an amenable number.

2575507956 is an abundant number, since it is smaller than the sum of its proper divisors (4696518540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2575507956 is a wasteful number, since it uses less digits than its factorization.

2575507956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803608 (or 1803606 counting only the distinct ones).

The product of its (nonzero) digits is 3307500, while the sum is 51.

The square root of 2575507956 is about 50749.4626178445. The cubic root of 2575507956 is about 1370.7375139964.

The spelling of 2575507956 in words is "two billion, five hundred seventy-five million, five hundred seven thousand, nine hundred fifty-six".