1002253075 has 6 divisors (see below), whose sum is σ = 1242793844. Its totient is φ = 801802440.

The previous prime is 1002253069. The next prime is 1002253081. The reversal of 1002253075 is 5703522001.

It is an interprime number because it is at equal distance from previous prime (1002253069) and next prime (1002253081).

It is not a de Polignac number, because 1002253075 - 2⁷ = 1002252947 is a prime.

It is a super-2 number, since 2×1002253075² = 2009022452693911250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 40090123 = 1002253075 / (1 + 0 + 0 + 2 + 2 + 5 + 3 + 0 + 7 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20045037 + ... + 20045086.

Almost surely, 2^1002253075 is an apocalyptic number.

1002253075 is a deficient number, since it is larger than the sum of its proper divisors (240540769).

1002253075 is an equidigital number, since it uses as much as digits as its factorization.

1002253075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40090133 (or 40090128 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 1002253075 is about 31658.3808019298. The cubic root of 1002253075 is about 1000.7504616664.

Adding to 1002253075 its reverse (5703522001), we get a palindrome (6705775076).

The spelling of 1002253075 in words is "one billion, two million, two hundred fifty-three thousand, seventy-five".