2575184642 has 4 divisors (see below), whose sum is σ = 3862776966. Its totient is φ = 1287592320.

The previous prime is 2575184629. The next prime is 2575184657. The reversal of 2575184642 is 2464815752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1949134201 + 626050441 = 44149^2 + 25021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2575184593 and 2575184602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643796159 + ... + 643796162.

Almost surely, 2^2575184642 is an apocalyptic number.

2575184642 is a deficient number, since it is larger than the sum of its proper divisors (1287592324).

2575184642 is a wasteful number, since it uses less digits than its factorization.

2575184642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287592323.

The product of its digits is 537600, while the sum is 44.

The square root of 2575184642 is about 50746.2771245340. The cubic root of 2575184642 is about 1370.6801535090.

The spelling of 2575184642 in words is "two billion, five hundred seventy-five million, one hundred eighty-four thousand, six hundred forty-two".