1955513 has 8 divisors (see below), whose sum is σ = 2245632. Its totient is φ = 1668096.

The previous prime is 1955509. The next prime is 1955521. The reversal of 1955513 is 3155591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1955513 - 2² = 1955509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1955533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256 + ... + 2342.

It is an arithmetic number, because the mean of its divisors is an integer number (280704).

2^1955513 is an apocalyptic number.

It is an amenable number.

1955513 is a deficient number, since it is larger than the sum of its proper divisors (290119).

1955513 is a wasteful number, since it uses less digits than its factorization.

1955513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its digits is 3375, while the sum is 29.

The square root of 1955513 is about 1398.3965818036. The cubic root of 1955513 is about 125.0509232518.

The spelling of 1955513 in words is "one million, nine hundred fifty-five thousand, five hundred thirteen".