1955313 has 16 divisors (see below), whose sum is σ = 2923200. Its totient is φ = 1291680.

The previous prime is 1955293. The next prime is 1955333. The reversal of 1955313 is 3135591.

It is an interprime number because it is at equal distance from previous prime (1955293) and next prime (1955333).

It is not a de Polignac number, because 1955313 - 2⁵ = 1955281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1955333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3493 + ... + 4013.

It is an arithmetic number, because the mean of its divisors is an integer number (182700).

2^1955313 is an apocalyptic number.

It is an amenable number.

1955313 is a deficient number, since it is larger than the sum of its proper divisors (967887).

1955313 is a wasteful number, since it uses less digits than its factorization.

1955313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 663 counting only the distinct ones).

The product of its digits is 2025, while the sum is 27.

The square root of 1955313 is about 1398.3250695028. The cubic root of 1955313 is about 125.0466599140.

The spelling of 1955313 in words is "one million, nine hundred fifty-five thousand, three hundred thirteen".