1597254555 has 16 divisors (see below), whose sum is σ = 2752192800. Its totient is φ = 786340608.

The previous prime is 1597254523. The next prime is 1597254559. The reversal of 1597254555 is 5554527951.

It is not a de Polignac number, because 1597254555 - 2⁵ = 1597254523 is a prime.

It is a super-2 number, since 2×1597254555² = 5102444226936496050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1597254559) 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, 4095330 + ... + 4095719.

It is an arithmetic number, because the mean of its divisors is an integer number (172012050).

Almost surely, 2^1597254555 is an apocalyptic number.

1597254555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1597254555 is a deficient number, since it is larger than the sum of its proper divisors (1154938245).

1597254555 is a wasteful number, since it uses less digits than its factorization.

1597254555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191070.

The product of its digits is 1575000, while the sum is 48.

The square root of 1597254555 is about 39965.6672032383. The cubic root of 1597254555 is about 1168.9377347965.

The spelling of 1597254555 in words is "one billion, five hundred ninety-seven million, two hundred fifty-four thousand, five hundred fifty-five".