32061561 has 8 divisors (see below), whose sum is σ = 48855744. Its totient is φ = 18320880.

The previous prime is 32061511. The next prime is 32061619. The reversal of 32061561 is 16516023.

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

It is not a de Polignac number, because 32061561 - 2⁷ = 32061433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32061511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763350 + ... + 763391.

It is an arithmetic number, because the mean of its divisors is an integer number (6106968).

Almost surely, 2^32061561 is an apocalyptic number.

It is an amenable number.

32061561 is a deficient number, since it is larger than the sum of its proper divisors (16794183).

32061561 is a wasteful number, since it uses less digits than its factorization.

32061561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526751.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 32061561 is about 5662.2929101204. The cubic root of 32061561 is about 317.6836674724.

Adding to 32061561 its reverse (16516023), we get a palindrome (48577584).

The spelling of 32061561 in words is "thirty-two million, sixty-one thousand, five hundred sixty-one".