61138301 has 16 divisors (see below), whose sum is σ = 73161984. Its totient is φ = 49953024.

The previous prime is 61138291. The next prime is 61138321. The reversal of 61138301 is 10383116.

It is a cyclic number.

It is not a de Polignac number, because 61138301 - 2¹⁰ = 61137277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61138321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69275 + ... + 70151.

It is an arithmetic number, because the mean of its divisors is an integer number (4572624).

Almost surely, 2^61138301 is an apocalyptic number.

It is an amenable number.

61138301 is a deficient number, since it is larger than the sum of its proper divisors (12023683).

61138301 is a wasteful number, since it uses less digits than its factorization.

61138301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 61138301 is about 7819.0984774461. The cubic root of 61138301 is about 393.9469918466.

The spelling of 61138301 in words is "sixty-one million, one hundred thirty-eight thousand, three hundred one".