1397150333 has 4 divisors (see below), whose sum is σ = 1397230428. Its totient is φ = 1397070240.

The previous prime is 1397150327. The next prime is 1397150411. The reversal of 1397150333 is 3330517931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1215359044 + 181791289 = 34862^2 + 13483^2 .

It is a cyclic number.

It is not a de Polignac number, because 1397150333 - 2⁸ = 1397150077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1397150293 and 1397150302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397150323) 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, 1538 + ... + 52883.

It is an arithmetic number, because the mean of its divisors is an integer number (349307607).

Almost surely, 2^1397150333 is an apocalyptic number.

It is an amenable number.

1397150333 is a deficient number, since it is larger than the sum of its proper divisors (80095).

1397150333 is an equidigital number, since it uses as much as digits as its factorization.

1397150333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80094.

The product of its (nonzero) digits is 25515, while the sum is 35.

The square root of 1397150333 is about 37378.4741930432. The cubic root of 1397150333 is about 1117.9294048505.

The spelling of 1397150333 in words is "one billion, three hundred ninety-seven million, one hundred fifty thousand, three hundred thirty-three".