51133025 has 24 divisors (see below), whose sum is σ = 70066944. Its totient is φ = 36819200.

The previous prime is 51133021. The next prime is 51133031. The reversal of 51133025 is 52033115.

It is not a de Polignac number, because 51133025 - 2² = 51133021 is a prime.

It is a super-2 number, since 2×51133025² = 5229172491301250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51132988 and 51133006.

It is not an unprimeable number, because it can be changed into a prime (51133021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7160 + ... + 12390.

It is an arithmetic number, because the mean of its divisors is an integer number (2919456).

Almost surely, 2^51133025 is an apocalyptic number.

It is an amenable number.

51133025 is a deficient number, since it is larger than the sum of its proper divisors (18933919).

51133025 is a wasteful number, since it uses less digits than its factorization.

51133025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281 (or 5276 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 51133025 is about 7150.7359761076. The cubic root of 51133025 is about 371.1651243655.

The spelling of 51133025 in words is "fifty-one million, one hundred thirty-three thousand, twenty-five".