48515251 has 4 divisors (see below), whose sum is σ = 49826512. Its totient is φ = 47203992.

The previous prime is 48515239. The next prime is 48515267. The reversal of 48515251 is 15251584.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48515251 - 2¹¹ = 48513203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48515221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655575 + ... + 655648.

It is an arithmetic number, because the mean of its divisors is an integer number (12456628).

Almost surely, 2^48515251 is an apocalyptic number.

48515251 is a deficient number, since it is larger than the sum of its proper divisors (1311261).

48515251 is a wasteful number, since it uses less digits than its factorization.

48515251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311260.

The product of its digits is 8000, while the sum is 31.

The square root of 48515251 is about 6965.2890105149. The cubic root of 48515251 is about 364.7198726362.

The spelling of 48515251 in words is "forty-eight million, five hundred fifteen thousand, two hundred fifty-one".