Search a number
-
+
3431497 is a prime number
BaseRepresentation
bin1101000101110001001001
320110100010111
431011301021
51334301442
6201314321
741111236
oct15056111
96410114
103431497
111a34153
1211959a1
13931b94
1465478d
1547bb17
hex345c49

3431497 has 2 divisors, whose sum is σ = 3431498. Its totient is φ = 3431496.

The previous prime is 3431489. The next prime is 3431503. The reversal of 3431497 is 7941343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2808976 + 622521 = 1676^2 + 789^2 .

It is an emirp because it is prime and its reverse (7941343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3431497 - 23 = 3431489 is a prime.

It is a super-2 number, since 2×34314972 = 23550343322018, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3431437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715748 + 1715749.

It is an arithmetic number, because the mean of its divisors is an integer number (1715749).

Almost surely, 23431497 is an apocalyptic number.

It is an amenable number.

3431497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431497 is an equidigital number, since it uses as much as digits as its factorization.

3431497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 3431497 is about 1852.4300256690. The cubic root of 3431497 is about 150.8323651705.

The spelling of 3431497 in words is "three million, four hundred thirty-one thousand, four hundred ninety-seven".