51100325 has 6 divisors (see below), whose sum is σ = 63364434. Its totient is φ = 40880240.

The previous prime is 51100303. The next prime is 51100373. The reversal of 51100325 is 52300115.

It can be written as a sum of positive squares in 3 ways, for example, as 4218916 + 46881409 = 2054^2 + 6847^2 .

It is not a de Polignac number, because 51100325 - 2¹⁴ = 51083941 is a prime.

It is a super-2 number, since 2×51100325² = 5222486430211250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1021982 + ... + 1022031.

It is an arithmetic number, because the mean of its divisors is an integer number (10560739).

Almost surely, 2^51100325 is an apocalyptic number.

It is an amenable number.

51100325 is a deficient number, since it is larger than the sum of its proper divisors (12264109).

51100325 is a wasteful number, since it uses less digits than its factorization.

51100325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044023 (or 2044018 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 51100325 is about 7148.4491325042. The cubic root of 51100325 is about 371.0859864193.

The spelling of 51100325 in words is "fifty-one million, one hundred thousand, three hundred twenty-five".