61040751 has 8 divisors (see below), whose sum is σ = 82767360. Its totient is φ = 40003992.

The previous prime is 61040723. The next prime is 61040753. The reversal of 61040751 is 15704016.

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

It is not a de Polignac number, because 61040751 - 2⁵ = 61040719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61040753) 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, 172255 + ... + 172608.

It is an arithmetic number, because the mean of its divisors is an integer number (10345920).

Almost surely, 2^61040751 is an apocalyptic number.

61040751 is a deficient number, since it is larger than the sum of its proper divisors (21726609).

61040751 is a wasteful number, since it uses less digits than its factorization.

61040751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344925.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 61040751 is about 7812.8580557949. The cubic root of 61040751 is about 393.7373579211.

Adding to 61040751 its reverse (15704016), we get a palindrome (76744767).

The spelling of 61040751 in words is "sixty-one million, forty thousand, seven hundred fifty-one".