Search a number
-
+
2774251 is a prime number
BaseRepresentation
bin1010100101010011101011
312012221120001
422211103223
51202234001
6135243431
732403124
oct12452353
95187501
102774251
111625377
12b19577
1376198c
1452304b
1539c001
hex2a54eb

2774251 has 2 divisors, whose sum is σ = 2774252. Its totient is φ = 2774250.

The previous prime is 2774207. The next prime is 2774257. The reversal of 2774251 is 1524772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2774251 - 213 = 2766059 is a prime.

It is a super-2 number, since 2×27742512 = 15392937222002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2774257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387125 + 1387126.

It is an arithmetic number, because the mean of its divisors is an integer number (1387126).

22774251 is an apocalyptic number.

2774251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2774251 is an equidigital number, since it uses as much as digits as its factorization.

2774251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3920, while the sum is 28.

The square root of 2774251 is about 1665.6082972896. The cubic root of 2774251 is about 140.5125936964.

It can be divided in two parts, 2774 and 251, that added together give a square (3025 = 552).

The spelling of 2774251 in words is "two million, seven hundred seventy-four thousand, two hundred fifty-one".