61854285 has 16 divisors (see below), whose sum is σ = 99086400. Its totient is φ = 32949120.

The previous prime is 61854271. The next prime is 61854307. The reversal of 61854285 is 58245816.

It is not a de Polignac number, because 61854285 - 2⁸ = 61854029 is a prime.

It is a super-2 number, since 2×61854285² = 7651905145722450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13770 + ... + 17700.

It is an arithmetic number, because the mean of its divisors is an integer number (6192900).

Almost surely, 2^61854285 is an apocalyptic number.

It is an amenable number.

61854285 is a deficient number, since it is larger than the sum of its proper divisors (37232115).

61854285 is a wasteful number, since it uses less digits than its factorization.

61854285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988.

The product of its digits is 76800, while the sum is 39.

The square root of 61854285 is about 7864.7495192155. The cubic root of 61854285 is about 395.4788509785.

The spelling of 61854285 in words is "sixty-one million, eight hundred fifty-four thousand, two hundred eighty-five".