51874205 has 6 divisors (see below), whose sum is σ = 62268378. Its totient is φ = 41486480.

The previous prime is 51874181. The next prime is 51874231. The reversal of 51874205 is 50247815.

It can be written as a sum of positive squares in 3 ways, for example, as 16957924 + 34916281 = 4118^2 + 5909^2 .

It is not a de Polignac number, because 51874205 - 2¹⁸ = 51612061 is a prime.

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, 14495 + ... + 17715.

It is an arithmetic number, because the mean of its divisors is an integer number (10378063).

Almost surely, 2^51874205 is an apocalyptic number.

It is an amenable number.

51874205 is a deficient number, since it is larger than the sum of its proper divisors (10394173).

51874205 is an frugal number, since it uses more digits than its factorization.

51874205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447 (or 3226 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 51874205 is about 7202.3749555268. The cubic root of 51874205 is about 372.9498910853.

The spelling of 51874205 in words is "fifty-one million, eight hundred seventy-four thousand, two hundred five".