1396625033 has 4 divisors (see below), whose sum is σ = 1399004880. Its totient is φ = 1394245188.

The previous prime is 1396625017. The next prime is 1396625047. The reversal of 1396625033 is 3305266931.

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: 3305266931 = 53 ⋅62363527.

It is a cyclic number.

It is not a de Polignac number, because 1396625033 - 2⁴ = 1396625017 is a prime.

It is a super-2 number, since 2×1396625033² = 3901122965604502178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1396625003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189043 + ... + 1190216.

It is an arithmetic number, because the mean of its divisors is an integer number (349751220).

Almost surely, 2^1396625033 is an apocalyptic number.

It is an amenable number.

1396625033 is a deficient number, since it is larger than the sum of its proper divisors (2379847).

1396625033 is an equidigital number, since it uses as much as digits as its factorization.

1396625033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379846.

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 1396625033 is about 37371.4467608628. The cubic root of 1396625033 is about 1117.7892810772.

The spelling of 1396625033 in words is "one billion, three hundred ninety-six million, six hundred twenty-five thousand, thirty-three".