25247003 has 2 divisors, whose sum is σ = 25247004. Its totient is φ = 25247002.

The previous prime is 25246997. The next prime is 25247011. The reversal of 25247003 is 30074252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25247003 - 2¹² = 25242907 is a prime.

It is a super-2 number, since 2×25247003² = 1274822320964018, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25247003.

It is not a weakly prime, because it can be changed into another prime (25247083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12623501 + 12623502.

It is an arithmetic number, because the mean of its divisors is an integer number (12623502).

Almost surely, 2^25247003 is an apocalyptic number.

25247003 is a deficient number, since it is larger than the sum of its proper divisors (1).

25247003 is an equidigital number, since it uses as much as digits as its factorization.

25247003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 25247003 is about 5024.6395890651. The cubic root of 25247003 is about 293.3616078404.

The spelling of 25247003 in words is "twenty-five million, two hundred forty-seven thousand, three".