Search a number
-
+
612401 is a prime number
BaseRepresentation
bin10010101100000110001
31011010001112
42111200301
5124044101
621043105
75130266
oct2254061
91133045
10612401
11389119
12256495
1318598a
1411d26d
15c16bb
hex95831

612401 has 2 divisors, whose sum is σ = 612402. Its totient is φ = 612400.

The previous prime is 612383. The next prime is 612407. The reversal of 612401 is 104216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 564001 + 48400 = 751^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 612401 - 218 = 350257 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (612407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306200 + 306201.

It is an arithmetic number, because the mean of its divisors is an integer number (306201).

2612401 is an apocalyptic number.

It is an amenable number.

612401 is a deficient number, since it is larger than the sum of its proper divisors (1).

612401 is an equidigital number, since it uses as much as digits as its factorization.

612401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 612401 is about 782.5605407890. The cubic root of 612401 is about 84.9203868165.

Adding to 612401 its reverse (104216), we get a palindrome (716617).

The spelling of 612401 in words is "six hundred twelve thousand, four hundred one".