1000552631 has 8 divisors (see below), whose sum is σ = 1106640864. Its totient is φ = 898624800.

The previous prime is 1000552627. The next prime is 1000552649. The reversal of 1000552631 is 1362550001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000552631 - 2² = 1000552627 is a prime.

It is a super-2 number, since 2×1000552631² = 2002211134802044322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000552597 and 1000552606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000552691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039595 + ... + 1040556.

It is an arithmetic number, because the mean of its divisors is an integer number (138330108).

Almost surely, 2^1000552631 is an apocalyptic number.

1000552631 is a deficient number, since it is larger than the sum of its proper divisors (106088233).

1000552631 is a wasteful number, since it uses less digits than its factorization.

1000552631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080201.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1000552631 is about 31631.5132581418. The cubic root of 1000552631 is about 1000.1841764103.

The spelling of 1000552631 in words is "one billion, five hundred fifty-two thousand, six hundred thirty-one".