1025240003 has 4 divisors (see below), whose sum is σ = 1044584208. Its totient is φ = 1005895800.

The previous prime is 1025239997. The next prime is 1025240009. The reversal of 1025240003 is 3000425201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3000425201 = 37 ⋅81092573.

It is an interprime number because it is at equal distance from previous prime (1025239997) and next prime (1025240009).

It is a cyclic number.

It is not a de Polignac number, because 1025240003 - 2¹⁰ = 1025238979 is a prime.

It is a super-2 number, since 2×1025240003² = 2102234127502880018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1025240009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9672023 + ... + 9672128.

It is an arithmetic number, because the mean of its divisors is an integer number (261146052).

Almost surely, 2^1025240003 is an apocalyptic number.

1025240003 is a deficient number, since it is larger than the sum of its proper divisors (19344205).

1025240003 is an equidigital number, since it uses as much as digits as its factorization.

1025240003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19344204.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1025240003 is about 32019.3691849168. The cubic root of 1025240003 is about 1008.3435262924.

Adding to 1025240003 its reverse (3000425201), we get a palindrome (4025665204).

The spelling of 1025240003 in words is "one billion, twenty-five million, two hundred forty thousand, three".