51025302 has 40 divisors (see below), whose sum is σ = 115651800. Its totient is φ = 16812576.

The previous prime is 51025291. The next prime is 51025319. The reversal of 51025302 is 20352015.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12649 + ... + 16187.

It is an arithmetic number, because the mean of its divisors is an integer number (2891295).

Almost surely, 2^51025302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51025302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57825900).

51025302 is an abundant number, since it is smaller than the sum of its proper divisors (64626498).

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

51025302 is a wasteful number, since it uses less digits than its factorization.

51025302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642 (or 3633 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 51025302 is about 7143.1997032142. The cubic root of 51025302 is about 370.9042940360.

Adding to 51025302 its reverse (20352015), we get a palindrome (71377317).

It can be divided in two parts, 5102 and 5302, that added together give a square (10404 = 102²).

The spelling of 51025302 in words is "fifty-one million, twenty-five thousand, three hundred two".