61860351 has 8 divisors (see below), whose sum is σ = 94263424. Its totient is φ = 35348760.

The previous prime is 61860343. The next prime is 61860353. The reversal of 61860351 is 15306816.

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

It is not a de Polignac number, because 61860351 - 2³ = 61860343 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 (61860353) 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, 1472845 + ... + 1472886.

It is an arithmetic number, because the mean of its divisors is an integer number (11782928).

Almost surely, 2^61860351 is an apocalyptic number.

61860351 is a deficient number, since it is larger than the sum of its proper divisors (32403073).

61860351 is a wasteful number, since it uses less digits than its factorization.

61860351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945741.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 61860351 is about 7865.1351545921. The cubic root of 61860351 is about 395.4917786536.

The spelling of 61860351 in words is "sixty-one million, eight hundred sixty thousand, three hundred fifty-one".