61538093 has 8 divisors (see below), whose sum is σ = 65745120. Its totient is φ = 57427920.

The previous prime is 61538083. The next prime is 61538101. The reversal of 61538093 is 39083516.

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 61538093 - 2¹⁶ = 61472557 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 (61538033) 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, 22898 + ... + 25443.

It is an arithmetic number, because the mean of its divisors is an integer number (8218140).

Almost surely, 2^61538093 is an apocalyptic number.

It is an amenable number.

61538093 is a deficient number, since it is larger than the sum of its proper divisors (4207027).

61538093 is a wasteful number, since it uses less digits than its factorization.

61538093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48427.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 61538093 is about 7844.6219156821. The cubic root of 61538093 is about 394.8038186194.

The spelling of 61538093 in words is "sixty-one million, five hundred thirty-eight thousand, ninety-three".