61008901 has 8 divisors (see below), whose sum is σ = 61889184. Its totient is φ = 60132240.

The previous prime is 61008887. The next prime is 61008917. The reversal of 61008901 is 10980016.

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 61008901 - 2¹⁷ = 60877829 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 (61008001) 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, 62346 + ... + 63316.

It is an arithmetic number, because the mean of its divisors is an integer number (7736148).

Almost surely, 2^61008901 is an apocalyptic number.

It is an amenable number.

61008901 is a deficient number, since it is larger than the sum of its proper divisors (880283).

61008901 is an equidigital number, since it uses as much as digits as its factorization.

61008901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 61008901 is about 7810.8194832553. The cubic root of 61008901 is about 393.6688642432.

Adding to 61008901 its reverse (10980016), we get a palindrome (71988917).

The spelling of 61008901 in words is "sixty-one million, eight thousand, nine hundred one".