51025014 has 24 divisors (see below), whose sum is σ = 111292272. Its totient is φ = 16894800.

The previous prime is 51025003. The next prime is 51025021. The reversal of 51025014 is 41052015.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6669 + ... + 12104.

It is an arithmetic number, because the mean of its divisors is an integer number (4637178).

Almost surely, 2^51025014 is an apocalyptic number.

51025014 is an abundant number, since it is smaller than the sum of its proper divisors (60267258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51025014 is a wasteful number, since it uses less digits than its factorization.

51025014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18932 (or 18929 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 51025014 is about 7143.1795441526. The cubic root of 51025014 is about 370.9035962081.

Adding to 51025014 its reverse (41052015), we get a palindrome (92077029).

The spelling of 51025014 in words is "fifty-one million, twenty-five thousand, fourteen".