Search a number
-
+
2251553 is a prime number
BaseRepresentation
bin1000100101101100100001
311020101112212
420211230201
51034022203
6120131505
725065203
oct10455441
94211485
102251553
1112a8697
12906b95
1360aaa5
14428773
152e71d8
hex225b21

2251553 has 2 divisors, whose sum is σ = 2251554. Its totient is φ = 2251552.

The previous prime is 2251547. The next prime is 2251559. The reversal of 2251553 is 3551522.

It is a balanced prime because it is at equal distance from previous prime (2251547) and next prime (2251559).

It can be written as a sum of positive squares in only one way, i.e., 1373584 + 877969 = 1172^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251553 - 26 = 2251489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2251559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125776 + 1125777.

It is an arithmetic number, because the mean of its divisors is an integer number (1125777).

22251553 is an apocalyptic number.

It is an amenable number.

2251553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251553 is an equidigital number, since it uses as much as digits as its factorization.

2251553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500, while the sum is 23.

The square root of 2251553 is about 1500.5175773712. The cubic root of 2251553 is about 131.0672110093.

The spelling of 2251553 in words is "two million, two hundred fifty-one thousand, five hundred fifty-three".