Search a number
-
+
51860951 is a prime number
BaseRepresentation
bin1100010111010…
…1010111010111
310121120210211222
43011311113113
5101234022301
65051320555
71166545052
oct305652727
9117523758
1051860951
112730199a
121545015b
13a98a46c
146c5da99
15484631b
hex31755d7

51860951 has 2 divisors, whose sum is σ = 51860952. Its totient is φ = 51860950.

The previous prime is 51860947. The next prime is 51860957. The reversal of 51860951 is 15906815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51860951 - 22 = 51860947 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51860957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25930475 + 25930476.

It is an arithmetic number, because the mean of its divisors is an integer number (25930476).

Almost surely, 251860951 is an apocalyptic number.

51860951 is a deficient number, since it is larger than the sum of its proper divisors (1).

51860951 is an equidigital number, since it uses as much as digits as its factorization.

51860951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 51860951 is about 7201.4547835837. The cubic root of 51860951 is about 372.9181251437.

The spelling of 51860951 in words is "fifty-one million, eight hundred sixty thousand, nine hundred fifty-one".