32913901 has 4 divisors (see below), whose sum is σ = 33534972. Its totient is φ = 32292832.

The previous prime is 32913889. The next prime is 32913911. The reversal of 32913901 is 10931923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10931923 = 23 ⋅475301.

It can be written as a sum of positive squares in 2 ways, for example, as 18275625 + 14638276 = 4275^2 + 3826^2 .

It is a cyclic number.

It is not a de Polignac number, because 32913901 - 2⁹ = 32913389 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 32913901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32913911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310456 + ... + 310561.

It is an arithmetic number, because the mean of its divisors is an integer number (8383743).

Almost surely, 2^32913901 is an apocalyptic number.

It is an amenable number.

32913901 is a deficient number, since it is larger than the sum of its proper divisors (621071).

32913901 is an equidigital number, since it uses as much as digits as its factorization.

32913901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621070.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 32913901 is about 5737.0637960546. The cubic root of 32913901 is about 320.4742349950.

The spelling of 32913901 in words is "thirty-two million, nine hundred thirteen thousand, nine hundred one".