48451281 has 4 divisors (see below), whose sum is σ = 64601712. Its totient is φ = 32300852.

The previous prime is 48451259. The next prime is 48451307. The reversal of 48451281 is 18215484.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48451281 - 2⁹ = 48450769 is a prime.

It is a super-2 number, since 2×48451281² = 4695053261081922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48451681) 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, 8075211 + ... + 8075216.

It is an arithmetic number, because the mean of its divisors is an integer number (16150428).

Almost surely, 2^48451281 is an apocalyptic number.

It is an amenable number.

48451281 is a deficient number, since it is larger than the sum of its proper divisors (16150431).

48451281 is a wasteful number, since it uses less digits than its factorization.

48451281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16150430.

The product of its digits is 10240, while the sum is 33.

The square root of 48451281 is about 6960.6954393940. The cubic root of 48451281 is about 364.5595011259.

The spelling of 48451281 in words is "forty-eight million, four hundred fifty-one thousand, two hundred eighty-one".