1597455 has 16 divisors (see below), whose sum is σ = 2840160. Its totient is φ = 851904.

The previous prime is 1597451. The next prime is 1597457. The reversal of 1597455 is 5547951.

It is not a de Polignac number, because 1597455 - 2² = 1597451 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1597451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5782 + ... + 6051.

It is an arithmetic number, because the mean of its divisors is an integer number (177510).

2^1597455 is an apocalyptic number.

1597455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1597455 is a deficient number, since it is larger than the sum of its proper divisors (1242705).

1597455 is a wasteful number, since it uses less digits than its factorization.

1597455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11847 (or 11841 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 1597455 is about 1263.9046641262. The cubic root of 1597455 is about 116.8986630765.

The spelling of 1597455 in words is "one million, five hundred ninety-seven thousand, four hundred fifty-five".