1375953 has 4 divisors (see below), whose sum is σ = 1834608. Its totient is φ = 917300.

The previous prime is 1375951. The next prime is 1375981. The reversal of 1375953 is 3595731.

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 1375953 - 2¹ = 1375951 is a prime.

It is an Ulam number.

It is a D-number.

It is a Curzon number.

1375953 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1375951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229323 + ... + 229328.

It is an arithmetic number, because the mean of its divisors is an integer number (458652).

2^1375953 is an apocalyptic number.

It is an amenable number.

1375953 is a deficient number, since it is larger than the sum of its proper divisors (458655).

1375953 is an equidigital number, since it uses as much as digits as its factorization.

1375953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458654.

The product of its digits is 14175, while the sum is 33.

The square root of 1375953 is about 1173.0102301344. The cubic root of 1375953 is about 111.2246889352.

The spelling of 1375953 in words is "one million, three hundred seventy-five thousand, nine hundred fifty-three".