51523325 has 24 divisors (see below), whose sum is σ = 73394112. Its totient is φ = 35147520.

The previous prime is 51523313. The next prime is 51523337. The reversal of 51523325 is 52332515.

It is an interprime number because it is at equal distance from previous prime (51523313) and next prime (51523337).

It is not a de Polignac number, because 51523325 - 2⁴ = 51523309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51523294 and 51523303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39077 + ... + 40373.

It is an arithmetic number, because the mean of its divisors is an integer number (3058088).

Almost surely, 2^51523325 is an apocalyptic number.

It is an amenable number.

51523325 is a deficient number, since it is larger than the sum of its proper divisors (21870787).

51523325 is a wasteful number, since it uses less digits than its factorization.

51523325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541 (or 1536 counting only the distinct ones).

The product of its digits is 4500, while the sum is 26.

The square root of 51523325 is about 7177.9749929907. The cubic root of 51523325 is about 372.1071034151.

The spelling of 51523325 in words is "fifty-one million, five hundred twenty-three thousand, three hundred twenty-five".