1613497 has 2 divisors, whose sum is σ = 1613498. Its totient is φ = 1613496.

The previous prime is 1613483. The next prime is 1613503. The reversal of 1613497 is 7943161.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1610361 + 3136 = 1269^2 + 56^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1613497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1613407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806748 + 806749.

It is an arithmetic number, because the mean of its divisors is an integer number (806749).

2^1613497 is an apocalyptic number.

It is an amenable number.

1613497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613497 is an equidigital number, since it uses as much as digits as its factorization.

1613497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 1613497 is about 1270.2350176247. The cubic root of 1613497 is about 117.2886679669.

The spelling of 1613497 in words is "one million, six hundred thirteen thousand, four hundred ninety-seven".