1961335 has 4 divisors (see below), whose sum is σ = 2353608. Its totient is φ = 1569064.

The previous prime is 1961329. The next prime is 1961347. The reversal of 1961335 is 5331691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1961335 - 2³ = 1961327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196129 + ... + 196138.

It is an arithmetic number, because the mean of its divisors is an integer number (588402).

2^1961335 is an apocalyptic number.

1961335 is a deficient number, since it is larger than the sum of its proper divisors (392273).

1961335 is an equidigital number, since it uses as much as digits as its factorization.

1961335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392272.

The product of its digits is 2430, while the sum is 28.

The square root of 1961335 is about 1400.4767045546. The cubic root of 1961335 is about 125.1749018273.

The spelling of 1961335 in words is "one million, nine hundred sixty-one thousand, three hundred thirty-five".