1003252215 has 24 divisors (see below), whose sum is σ = 1867278960. Its totient is φ = 458629248.

The previous prime is 1003252207. The next prime is 1003252259. The reversal of 1003252215 is 5122523001.

It is not a de Polignac number, because 1003252215 - 2³ = 1003252207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1003252191 and 1003252200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 681750 + ... + 683219.

It is an arithmetic number, because the mean of its divisors is an integer number (77803290).

Almost surely, 2^1003252215 is an apocalyptic number.

1003252215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1003252215 is a deficient number, since it is larger than the sum of its proper divisors (864026745).

1003252215 is a wasteful number, since it uses less digits than its factorization.

1003252215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364991 (or 1364984 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1003252215 is about 31674.1568948567. The cubic root of 1003252215 is about 1001.0828985741.

Adding to 1003252215 its reverse (5122523001), we get a palindrome (6125775216).

It can be divided in two parts, 100325221 and 5, that multiplied together give a palindrome (501626105).

The spelling of 1003252215 in words is "one billion, three million, two hundred fifty-two thousand, two hundred fifteen".