61286151 has 8 divisors (see below), whose sum is σ = 83054704. Its totient is φ = 40187520.

The previous prime is 61286149. The next prime is 61286177. The reversal of 61286151 is 15168216.

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

It is not a de Polignac number, because 61286151 - 2¹ = 61286149 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 (61286111) 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, 167266 + ... + 167631.

It is an arithmetic number, because the mean of its divisors is an integer number (10381838).

Almost surely, 2^61286151 is an apocalyptic number.

61286151 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

61286151 is a deficient number, since it is larger than the sum of its proper divisors (21768553).

61286151 is a wasteful number, since it uses less digits than its factorization.

61286151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334961.

The product of its digits is 2880, while the sum is 30.

The square root of 61286151 is about 7828.5471832263. The cubic root of 61286151 is about 394.2642952590.

The spelling of 61286151 in words is "sixty-one million, two hundred eighty-six thousand, one hundred fifty-one".