48649251 has 8 divisors (see below), whose sum is σ = 74132224. Its totient is φ = 27799560.

The previous prime is 48649241. The next prime is 48649259. The reversal of 48649251 is 15294684.

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

It is not a de Polignac number, because 48649251 - 2⁵ = 48649219 is a prime.

It is a super-2 number, since 2×48649251² = 4733499245722002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48649259) 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, 1158295 + ... + 1158336.

It is an arithmetic number, because the mean of its divisors is an integer number (9266528).

Almost surely, 2^48649251 is an apocalyptic number.

48649251 is a deficient number, since it is larger than the sum of its proper divisors (25482973).

48649251 is a wasteful number, since it uses less digits than its factorization.

48649251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316641.

The product of its digits is 69120, while the sum is 39.

The square root of 48649251 is about 6974.9015046809. The cubic root of 48649251 is about 365.0553515856.

The spelling of 48649251 in words is "forty-eight million, six hundred forty-nine thousand, two hundred fifty-one".