61860097 has 8 divisors (see below), whose sum is σ = 68768000. Its totient is φ = 55259280.

The previous prime is 61860091. The next prime is 61860107. The reversal of 61860097 is 79006816.

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 61860097 - 2³ = 61860089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61860091) 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, 76347 + ... + 77152.

It is an arithmetic number, because the mean of its divisors is an integer number (8596000).

Almost surely, 2^61860097 is an apocalyptic number.

It is an amenable number.

61860097 is a deficient number, since it is larger than the sum of its proper divisors (6907903).

61860097 is a wasteful number, since it uses less digits than its factorization.

61860097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153543.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 61860097 is about 7865.1190073641. The cubic root of 61860097 is about 395.4912373534.

The spelling of 61860097 in words is "sixty-one million, eight hundred sixty thousand, ninety-seven".