Search a number
-
+
2745451 is a prime number
BaseRepresentation
bin1010011110010001101011
312011111001101
422132101223
51200323301
6134502231
732223142
oct12362153
95144041
102745451
111605775
12b04977
13751837
14516759
15393701
hex29e46b

2745451 has 2 divisors, whose sum is σ = 2745452. Its totient is φ = 2745450.

The previous prime is 2745433. The next prime is 2745467. The reversal of 2745451 is 1545472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2745451 - 25 = 2745419 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2745151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372725 + 1372726.

It is an arithmetic number, because the mean of its divisors is an integer number (1372726).

22745451 is an apocalyptic number.

2745451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745451 is an equidigital number, since it uses as much as digits as its factorization.

2745451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5600, while the sum is 28.

The square root of 2745451 is about 1656.9402523929. The cubic root of 2745451 is about 140.0246725224.

The spelling of 2745451 in words is "two million, seven hundred forty-five thousand, four hundred fifty-one".