1497161 has 2 divisors, whose sum is σ = 1497162. Its totient is φ = 1497160.

The previous prime is 1497151. The next prime is 1497187. The reversal of 1497161 is 1617941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1394761 + 102400 = 1181^2 + 320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1497161 is a prime.

It is a Chen prime.

It is a nialpdrome in base 8.

It is not a weakly prime, because it can be changed into another prime (1497121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748580 + 748581.

It is an arithmetic number, because the mean of its divisors is an integer number (748581).

2^1497161 is an apocalyptic number.

It is an amenable number.

1497161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1497161 is an equidigital number, since it uses as much as digits as its factorization.

1497161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 29.

The square root of 1497161 is about 1223.5853055672. The cubic root of 1497161 is about 114.3991598957.

The spelling of 1497161 in words is "one million, four hundred ninety-seven thousand, one hundred sixty-one".