60815251 has 8 divisors (see below), whose sum is σ = 69763680. Its totient is φ = 51931968.

The previous prime is 60815207. The next prime is 60815281. The reversal of 60815251 is 15251806.

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

It is a cyclic number.

It is not a de Polignac number, because 60815251 - 2⁷ = 60815123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60815281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14266 + ... + 18031.

It is an arithmetic number, because the mean of its divisors is an integer number (8720460).

Almost surely, 2^60815251 is an apocalyptic number.

60815251 is a deficient number, since it is larger than the sum of its proper divisors (8948429).

60815251 is a wasteful number, since it uses less digits than its factorization.

60815251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32573.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 60815251 is about 7798.4133642684. The cubic root of 60815251 is about 393.2519044465.

The spelling of 60815251 in words is "sixty million, eight hundred fifteen thousand, two hundred fifty-one".