1065543625 has 32 divisors (see below), whose sum is σ = 1389652992. Its totient is φ = 814752000.

The previous prime is 1065543623. The next prime is 1065543659. The reversal of 1065543625 is 5263455601.

It is not a de Polignac number, because 1065543625 - 2¹ = 1065543623 is a prime.

It is a super-2 number, since 2×1065543625² = 2270766433556281250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065543623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319969 + ... + 323281.

It is an arithmetic number, because the mean of its divisors is an integer number (43426656).

Almost surely, 2^1065543625 is an apocalyptic number.

It is an amenable number.

1065543625 is a deficient number, since it is larger than the sum of its proper divisors (324109367).

1065543625 is an equidigital number, since it uses as much as digits as its factorization.

1065543625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442 (or 3432 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 1065543625 is about 32642.6657152874. The cubic root of 1065543625 is about 1021.3872016806.

The spelling of 1065543625 in words is "one billion, sixty-five million, five hundred forty-three thousand, six hundred twenty-five".