1033400001 has 4 divisors (see below), whose sum is σ = 1377866672. Its totient is φ = 688933332.

The previous prime is 1033399993. The next prime is 1033400003. The reversal of 1033400001 is 1000043301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1000043301 = 3 ⋅333347767.

It is not a de Polignac number, because 1033400001 - 2³ = 1033399993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1033400001.

It is not an unprimeable number, because it can be changed into a prime (1033400003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172233331 + ... + 172233336.

It is an arithmetic number, because the mean of its divisors is an integer number (344466668).

Almost surely, 2^1033400001 is an apocalyptic number.

It is an amenable number.

1033400001 is a deficient number, since it is larger than the sum of its proper divisors (344466671).

1033400001 is an equidigital number, since it uses as much as digits as its factorization.

1033400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344466670.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1033400001 is about 32146.5394871672. The cubic root of 1033400001 is about 1011.0116325398.

Adding to 1033400001 its reverse (1000043301), we get a palindrome (2033443302).

The spelling of 1033400001 in words is "one billion, thirty-three million, four hundred thousand, one".