48519931 has 2 divisors, whose sum is σ = 48519932. Its totient is φ = 48519930.

The previous prime is 48519917. The next prime is 48519937. The reversal of 48519931 is 13991584.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48519931 - 2⁷ = 48519803 is a prime.

It is a super-2 number, since 2×48519931² = 4708367408489522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48519937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24259965 + 24259966.

It is an arithmetic number, because the mean of its divisors is an integer number (24259966).

Almost surely, 2^48519931 is an apocalyptic number.

48519931 is a deficient number, since it is larger than the sum of its proper divisors (1).

48519931 is an equidigital number, since it uses as much as digits as its factorization.

48519931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 40.

The square root of 48519931 is about 6965.6249540153. The cubic root of 48519931 is about 364.7315997672.

The spelling of 48519931 in words is "forty-eight million, five hundred nineteen thousand, nine hundred thirty-one".