1601479 has 4 divisors (see below), whose sum is σ = 1747080. Its totient is φ = 1455880.

The previous prime is 1601477. The next prime is 1601489. The reversal of 1601479 is 9741061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9741061 = 11 ⋅885551.

It is a cyclic number.

It is not a de Polignac number, because 1601479 - 2¹ = 1601477 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 (1601473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72784 + ... + 72805.

It is an arithmetic number, because the mean of its divisors is an integer number (436770).

2^1601479 is an apocalyptic number.

1601479 is a deficient number, since it is larger than the sum of its proper divisors (145601).

1601479 is a wasteful number, since it uses less digits than its factorization.

1601479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145600.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1601479 is about 1265.4955551087. The cubic root of 1601479 is about 116.9967369485.

It can be divided in two parts, 1601 and 479, that added together give a triangular number (2080 = T₆₄).

The spelling of 1601479 in words is "one million, six hundred one thousand, four hundred seventy-nine".