49148951 has 2 divisors, whose sum is σ = 49148952. Its totient is φ = 49148950.

The previous prime is 49148933. The next prime is 49148959. The reversal of 49148951 is 15984194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49148951 - 2¹⁸ = 48886807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49148899 and 49148908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49148959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24574475 + 24574476.

It is an arithmetic number, because the mean of its divisors is an integer number (24574476).

Almost surely, 2^49148951 is an apocalyptic number.

49148951 is a deficient number, since it is larger than the sum of its proper divisors (1).

49148951 is an equidigital number, since it uses as much as digits as its factorization.

49148951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 41.

The square root of 49148951 is about 7010.6312839858. The cubic root of 49148951 is about 366.3009831685.

The spelling of 49148951 in words is "forty-nine million, one hundred forty-eight thousand, nine hundred fifty-one".