1002554213 has 4 divisors (see below), whose sum is σ = 1003693068. Its totient is φ = 1001415360.

The previous prime is 1002554207. The next prime is 1002554219. The reversal of 1002554213 is 3124552001.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1002554207) and next prime (1002554219).

It can be written as a sum of positive squares in 2 ways, for example, as 410994529 + 591559684 = 20273^2 + 24322^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002554213 - 2⁸ = 1002553957 is a prime.

It is a super-2 number, since 2×1002554213² = 2010229900008098738, 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 (1002554219) 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, 568106 + ... + 569867.

It is an arithmetic number, because the mean of its divisors is an integer number (250923267).

Almost surely, 2^1002554213 is an apocalyptic number.

It is an amenable number.

1002554213 is a deficient number, since it is larger than the sum of its proper divisors (1138855).

1002554213 is an equidigital number, since it uses as much as digits as its factorization.

1002554213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138854.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1002554213 is about 31663.1364997216. The cubic root of 1002554213 is about 1000.8506804709.

The spelling of 1002554213 in words is "one billion, two million, five hundred fifty-four thousand, two hundred thirteen".