1964051 has 4 divisors (see below), whose sum is σ = 1997400. Its totient is φ = 1930704.

The previous prime is 1964047. The next prime is 1964059. The reversal of 1964051 is 1504691.

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 1964051 - 2² = 1964047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1964051.

It is not an unprimeable number, because it can be changed into a prime (1964059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16586 + ... + 16703.

It is an arithmetic number, because the mean of its divisors is an integer number (499350).

2^1964051 is an apocalyptic number.

1964051 is a deficient number, since it is larger than the sum of its proper divisors (33349).

1964051 is an equidigital number, since it uses as much as digits as its factorization.

1964051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33348.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1964051 is about 1401.4460389184. The cubic root of 1964051 is about 125.2326547056.

It can be divided in two parts, 19640 and 51, that added together give a palindrome (19691).

The spelling of 1964051 in words is "one million, nine hundred sixty-four thousand, fifty-one".