1652401 has 4 divisors (see below), whose sum is σ = 1667952. Its totient is φ = 1636852.

The previous prime is 1652377. The next prime is 1652407. The reversal of 1652401 is 1042561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1652401 - 2⁵ = 1652369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1652407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7615 + ... + 7828.

It is an arithmetic number, because the mean of its divisors is an integer number (416988).

2^1652401 is an apocalyptic number.

It is an amenable number.

1652401 is a deficient number, since it is larger than the sum of its proper divisors (15551).

1652401 is a wasteful number, since it uses less digits than its factorization.

1652401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15550.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1652401 is about 1285.4575061043. The cubic root of 1652401 is about 118.2238640246.

Adding to 1652401 its reverse (1042561), we get a palindrome (2694962).

The spelling of 1652401 in words is "one million, six hundred fifty-two thousand, four hundred one".