1000552453 has 4 divisors (see below), whose sum is σ = 1001278348. Its totient is φ = 999826560.

The previous prime is 1000552429. The next prime is 1000552471. The reversal of 1000552453 is 3542550001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3542550001 = 5821 ⋅608581.

It can be written as a sum of positive squares in 2 ways, for example, as 424648449 + 575904004 = 20607^2 + 23998^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000552453 - 2⁹ = 1000551941 is a prime.

It is a super-2 number, since 2×1000552453² = 2002210422408634418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000553453) 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, 360876 + ... + 363637.

It is an arithmetic number, because the mean of its divisors is an integer number (250319587).

Almost surely, 2^1000552453 is an apocalyptic number.

It is an amenable number.

1000552453 is a deficient number, since it is larger than the sum of its proper divisors (725895).

1000552453 is an equidigital number, since it uses as much as digits as its factorization.

1000552453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725894.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1000552453 is about 31631.5104444919. The cubic root of 1000552453 is about 1000.1841170988.

The spelling of 1000552453 in words is "one billion, five hundred fifty-two thousand, four hundred fifty-three".