1552020097 has 4 divisors (see below), whose sum is σ = 1558203696. Its totient is φ = 1545836500.

The previous prime is 1552020091. The next prime is 1552020103. The reversal of 1552020097 is 7900202551.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7900202551 = 74843 ⋅105557.

It is an interprime number because it is at equal distance from previous prime (1552020091) and next prime (1552020103).

It is a cyclic number.

It is not a de Polignac number, because 1552020097 - 2³ = 1552020089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552020091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3091423 + ... + 3091924.

It is an arithmetic number, because the mean of its divisors is an integer number (389550924).

Almost surely, 2^1552020097 is an apocalyptic number.

It is an amenable number.

1552020097 is a deficient number, since it is larger than the sum of its proper divisors (6183599).

1552020097 is an equidigital number, since it uses as much as digits as its factorization.

1552020097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183598.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1552020097 is about 39395.6862740072. The cubic root of 1552020097 is about 1157.7970718452.

The spelling of 1552020097 in words is "one billion, five hundred fifty-two million, twenty thousand, ninety-seven".