4951523 has 4 divisors (see below), whose sum is σ = 4956000. Its totient is φ = 4947048.

The previous prime is 4951511. The next prime is 4951549. The reversal of 4951523 is 3251594.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4951523 - 2⁶ = 4951459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4951823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761 + ... + 3237.

It is an arithmetic number, because the mean of its divisors is an integer number (1239000).

Almost surely, 2^4951523 is an apocalyptic number.

4951523 is a deficient number, since it is larger than the sum of its proper divisors (4477).

4951523 is a wasteful number, since it uses less digits than its factorization.

4951523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476.

The product of its digits is 5400, while the sum is 29.

The square root of 4951523 is about 2225.2017886026. The cubic root of 4951523 is about 170.4431689689.

The spelling of 4951523 in words is "four million, nine hundred fifty-one thousand, five hundred twenty-three".