61310242 has 8 divisors (see below), whose sum is σ = 105103296. Its totient is φ = 26275812.

The previous prime is 61310239. The next prime is 61310243. The reversal of 61310242 is 24201316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61310243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189638 + ... + 2189665.

It is an arithmetic number, because the mean of its divisors is an integer number (13137912).

Almost surely, 2^61310242 is an apocalyptic number.

61310242 is a deficient number, since it is larger than the sum of its proper divisors (43793054).

61310242 is a wasteful number, since it uses less digits than its factorization.

61310242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379312.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 61310242 is about 7830.0856955719. The cubic root of 61310242 is about 394.3159489997.

Adding to 61310242 its reverse (24201316), we get a palindrome (85511558).

The spelling of 61310242 in words is "sixty-one million, three hundred ten thousand, two hundred forty-two".