Search a number
-
+
1534961 is a prime number
BaseRepresentation
bin101110110101111110001
32212222120102
411312233301
5343104321
652522145
716022051
oct5665761
92788512
101534961
1195926a
12620355
1341987c
142bd561
15204c0b
hex176bf1

1534961 has 2 divisors, whose sum is σ = 1534962. Its totient is φ = 1534960.

The previous prime is 1534957. The next prime is 1534963. The reversal of 1534961 is 1694351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1515361 + 19600 = 1231^2 + 140^2 .

It is an emirp because it is prime and its reverse (1694351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1534961 - 22 = 1534957 is a prime.

It is a super-2 number, since 2×15349612 = 4712210543042, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1534963, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1534963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767480 + 767481.

It is an arithmetic number, because the mean of its divisors is an integer number (767481).

21534961 is an apocalyptic number.

It is an amenable number.

1534961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534961 is an equidigital number, since it uses as much as digits as its factorization.

1534961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 1534961 is about 1238.9354301173. The cubic root of 1534961 is about 115.3539441783.

The spelling of 1534961 in words is "one million, five hundred thirty-four thousand, nine hundred sixty-one".