2015497 has 6 divisors (see below), whose sum is σ = 2215514. Its totient is φ = 1832160.

The previous prime is 2015491. The next prime is 2015509. The reversal of 2015497 is 7945102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2013561 + 1936 = 1419^2 + 44^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2015497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2015491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8208 + ... + 8449.

2^2015497 is an apocalyptic number.

It is an amenable number.

2015497 is a deficient number, since it is larger than the sum of its proper divisors (200017).

2015497 is a wasteful number, since it uses less digits than its factorization.

2015497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16679 (or 16668 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2015497 is about 1419.6820066480. The cubic root of 2015497 is about 126.3166847006.

The spelling of 2015497 in words is "two million, fifteen thousand, four hundred ninety-seven".