1575716452 has 12 divisors (see below), whose sum is σ = 2798661040. Its totient is φ = 776099016.

The previous prime is 1575716449. The next prime is 1575716459. The reversal of 1575716452 is 2546175751.

It is a junction number, because it is equal to n+sod(n) for n = 1575716399 and 1575716408.

It is not an unprimeable number, because it can be changed into a prime (1575716459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2939502 + ... + 2940037.

Almost surely, 2^1575716452 is an apocalyptic number.

It is an amenable number.

1575716452 is a deficient number, since it is larger than the sum of its proper divisors (1222944588).

1575716452 is a wasteful number, since it uses less digits than its factorization.

1575716452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5879610 (or 5879608 counting only the distinct ones).

The product of its digits is 294000, while the sum is 43.

The square root of 1575716452 is about 39695.2950864457. The cubic root of 1575716452 is about 1163.6597780289.

The spelling of 1575716452 in words is "one billion, five hundred seventy-five million, seven hundred sixteen thousand, four hundred fifty-two".