1032661997 has 4 divisors (see below), whose sum is σ = 1040091360. Its totient is φ = 1025232636.

The previous prime is 1032661969. The next prime is 1032662041. The reversal of 1032661997 is 7991662301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1032661997 - 2¹⁴ = 1032645613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032666997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3714473 + ... + 3714750.

It is an arithmetic number, because the mean of its divisors is an integer number (260022840).

Almost surely, 2^1032661997 is an apocalyptic number.

It is an amenable number.

1032661997 is a deficient number, since it is larger than the sum of its proper divisors (7429363).

1032661997 is an equidigital number, since it uses as much as digits as its factorization.

1032661997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7429362.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 1032661997 is about 32135.0586898484. The cubic root of 1032661997 is about 1010.7709034528.

The spelling of 1032661997 in words is "one billion, thirty-two million, six hundred sixty-one thousand, nine hundred ninety-seven".