51101325 has 54 divisors (see below), whose sum is σ = 100658922. Its totient is φ = 24763200.

The previous prime is 51101291. The next prime is 51101333. The reversal of 51101325 is 52310115.

It can be written as a sum of positive squares in 3 ways, for example, as 4888521 + 46212804 = 2211^2 + 6798^2 .

It is not a de Polignac number, because 51101325 - 2¹¹ = 51099277 is a prime.

It is a super-2 number, since 2×51101325² = 5222690833511250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51101298 and 51101307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 26287 + ... + 28163.

Almost surely, 2^51101325 is an apocalyptic number.

51101325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51101325 is a deficient number, since it is larger than the sum of its proper divisors (49557597).

51101325 is a wasteful number, since it uses less digits than its factorization.

51101325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 51101325 is about 7148.5190774034. The cubic root of 51101325 is about 371.0884070403.

The spelling of 51101325 in words is "fifty-one million, one hundred one thousand, three hundred twenty-five".