825123951 has 12 divisors (see below), whose sum is σ = 1261954512. Its totient is φ = 517724736.

The previous prime is 825123913. The next prime is 825123977. The reversal of 825123951 is 159321528.

It is not a de Polignac number, because 825123951 - 2¹⁰ = 825122927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825123911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2696331 + ... + 2696636.

It is an arithmetic number, because the mean of its divisors is an integer number (105162876).

Almost surely, 2^825123951 is an apocalyptic number.

825123951 is a deficient number, since it is larger than the sum of its proper divisors (436830561).

825123951 is a wasteful number, since it uses less digits than its factorization.

825123951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392990 (or 5392987 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 825123951 is about 28724.9708616040. The cubic root of 825123951 is about 937.9356959356.

The spelling of 825123951 in words is "eight hundred twenty-five million, one hundred twenty-three thousand, nine hundred fifty-one".