47496949 has 2 divisors, whose sum is σ = 47496950. Its totient is φ = 47496948.

The previous prime is 47496907. The next prime is 47496959. The reversal of 47496949 is 94969474.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31640625 + 15856324 = 5625^2 + 3982^2 .

It is a cyclic number.

It is not a de Polignac number, because 47496949 - 2⁷ = 47496821 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 47496896 and 47496905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47496959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23748474 + 23748475.

It is an arithmetic number, because the mean of its divisors is an integer number (23748475).

Almost surely, 2^47496949 is an apocalyptic number.

It is an amenable number.

47496949 is a deficient number, since it is larger than the sum of its proper divisors (1).

47496949 is an equidigital number, since it uses as much as digits as its factorization.

47496949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 52.

The square root of 47496949 is about 6891.8030296868. The cubic root of 47496949 is about 362.1500680165.

The spelling of 47496949 in words is "forty-seven million, four hundred ninety-six thousand, nine hundred forty-nine".