61080901 has 12 divisors (see below), whose sum is σ = 71189580. Its totient is φ = 52254720.

The previous prime is 61080869. The next prime is 61080917. The reversal of 61080901 is 10908016.

It can be written as a sum of positive squares in 2 ways, for example, as 35820225 + 25260676 = 5985^2 + 5026^2 .

It is not a de Polignac number, because 61080901 - 2⁵ = 61080869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61080001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36871 + ... + 38491.

It is an arithmetic number, because the mean of its divisors is an integer number (5932465).

Almost surely, 2^61080901 is an apocalyptic number.

It is an amenable number.

61080901 is a deficient number, since it is larger than the sum of its proper divisors (10108679).

61080901 is a wasteful number, since it uses less digits than its factorization.

61080901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404 (or 2397 counting only the distinct ones).

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

The square root of 61080901 is about 7815.4271156476. The cubic root of 61080901 is about 393.8236668752.

Adding to 61080901 its reverse (10908016), we get a palindrome (71988917).

The spelling of 61080901 in words is "sixty-one million, eighty thousand, nine hundred one".