51125037 has 4 divisors (see below), whose sum is σ = 68166720. Its totient is φ = 34083356.

The previous prime is 51125027. The next prime is 51125051. The reversal of 51125037 is 73052115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51125037 - 2⁶ = 51124973 is a prime.

It is a super-2 number, since 2×51125037² = 5227538816502738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51124998 and 51125016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51125027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8520837 + ... + 8520842.

It is an arithmetic number, because the mean of its divisors is an integer number (17041680).

Almost surely, 2^51125037 is an apocalyptic number.

It is an amenable number.

51125037 is a deficient number, since it is larger than the sum of its proper divisors (17041683).

51125037 is a wasteful number, since it uses less digits than its factorization.

51125037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17041682.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 51125037 is about 7150.1774103864. The cubic root of 51125037 is about 371.1457955565.

The spelling of 51125037 in words is "fifty-one million, one hundred twenty-five thousand, thirty-seven".