1063525646 has 32 divisors (see below), whose sum is σ = 1705536000. Its totient is φ = 495936000.

The previous prime is 1063525643. The next prime is 1063525721. The reversal of 1063525646 is 6465253601.

It is a happy number.

It is a super-2 number, since 2×1063525646² = 2262173599399434632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063525643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415771 + ... + 1416521.

It is an arithmetic number, because the mean of its divisors is an integer number (53298000).

Almost surely, 2^1063525646 is an apocalyptic number.

1063525646 is a deficient number, since it is larger than the sum of its proper divisors (642010354).

1063525646 is a wasteful number, since it uses less digits than its factorization.

1063525646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 1063525646 is about 32611.7409225573. The cubic root of 1063525646 is about 1020.7420097467.

The spelling of 1063525646 in words is "one billion, sixty-three million, five hundred twenty-five thousand, six hundred forty-six".