1973541 has 8 divisors (see below), whose sum is σ = 2638944. Its totient is φ = 1311920.

The previous prime is 1973539. The next prime is 1973557. The reversal of 1973541 is 1453791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1973541 - 2¹ = 1973539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1973499 and 1973508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973501) 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 7 ways as a sum of consecutive naturals, for example, 670 + ... + 2096.

It is an arithmetic number, because the mean of its divisors is an integer number (329868).

2^1973541 is an apocalyptic number.

It is an amenable number.

1973541 is a deficient number, since it is larger than the sum of its proper divisors (665403).

1973541 is a wasteful number, since it uses less digits than its factorization.

1973541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891.

The product of its digits is 3780, while the sum is 30.

The square root of 1973541 is about 1404.8277474481. The cubic root of 1973541 is about 125.4340325152.

The spelling of 1973541 in words is "one million, nine hundred seventy-three thousand, five hundred forty-one".