1651141 has 4 divisors (see below), whose sum is σ = 1655212. Its totient is φ = 1647072.

The previous prime is 1651093. The next prime is 1651151. The reversal of 1651141 is 1411561.

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

It can be written as a sum of positive squares in 2 ways, for example, as 540225 + 1110916 = 735^2 + 1054^2 .

It is a cyclic number.

It is not a de Polignac number, because 1651141 - 2⁹ = 1650629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1651151) 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, 1350 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (413803).

2^1651141 is an apocalyptic number.

It is an amenable number.

1651141 is a deficient number, since it is larger than the sum of its proper divisors (4071).

1651141 is an equidigital number, since it uses as much as digits as its factorization.

1651141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070.

The product of its digits is 120, while the sum is 19.

The square root of 1651141 is about 1284.9673147594. The cubic root of 1651141 is about 118.1938067630.

The spelling of 1651141 in words is "one million, six hundred fifty-one thousand, one hundred forty-one".