1530797 has 4 divisors (see below), whose sum is σ = 1534080. Its totient is φ = 1527516.

The previous prime is 1530791. The next prime is 1530803. The reversal of 1530797 is 7970351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1530791) and next prime (1530803).

It is a cyclic number.

It is not a de Polignac number, because 1530797 - 2⁸ = 1530541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797 + ... + 1922.

It is an arithmetic number, because the mean of its divisors is an integer number (383520).

2^1530797 is an apocalyptic number.

It is an amenable number.

1530797 is a deficient number, since it is larger than the sum of its proper divisors (3283).

1530797 is an equidigital number, since it uses as much as digits as its factorization.

1530797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 1530797 is about 1237.2538138959. The cubic root of 1530797 is about 115.2495400436.

The spelling of 1530797 in words is "one million, five hundred thirty thousand, seven hundred ninety-seven".