1063497765 has 16 divisors (see below), whose sum is σ = 1856287296. Its totient is φ = 515635200.

The previous prime is 1063497761. The next prime is 1063497779. The reversal of 1063497765 is 5677943601.

It is a happy number.

It is not a de Polignac number, because 1063497765 - 2² = 1063497761 is a prime.

It is a super-2 number, since 2×1063497765² = 2262054992319990450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063497761) 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, 3222556 + ... + 3222885.

It is an arithmetic number, because the mean of its divisors is an integer number (116017956).

Almost surely, 2^1063497765 is an apocalyptic number.

1063497765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1063497765 is a deficient number, since it is larger than the sum of its proper divisors (792789531).

1063497765 is a wasteful number, since it uses less digits than its factorization.

1063497765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445460.

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 1063497765 is about 32611.3134510096. The cubic root of 1063497765 is about 1020.7330898688.

The spelling of 1063497765 in words is "one billion, sixty-three million, four hundred ninety-seven thousand, seven hundred sixty-five".