25002943 has 4 divisors (see below), whose sum is σ = 28574800. Its totient is φ = 21431088.

The previous prime is 25002893. The next prime is 25002973. The reversal of 25002943 is 34920052.

It is a happy number.

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

It is not a de Polignac number, because 25002943 - 2¹³ = 24994751 is a prime.

It is a super-2 number, since 2×25002943² = 1250294317322498, 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 (25002973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785918 + ... + 1785931.

It is an arithmetic number, because the mean of its divisors is an integer number (7143700).

Almost surely, 2^25002943 is an apocalyptic number.

25002943 is a deficient number, since it is larger than the sum of its proper divisors (3571857).

25002943 is an equidigital number, since it uses as much as digits as its factorization.

25002943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571856.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 25002943 is about 5000.2942913393. The cubic root of 25002943 is about 292.4132472167.

Adding to 25002943 its reverse (34920052), we get a palindrome (59922995).

The spelling of 25002943 in words is "twenty-five million, two thousand, nine hundred forty-three".