25143043 has 2 divisors, whose sum is σ = 25143044. Its totient is φ = 25143042.

The previous prime is 25143031. The next prime is 25143047. The reversal of 25143043 is 34034152.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25143043 is a prime.

It is a super-2 number, since 2×25143043² = 1264345222599698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25143047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12571521 + 12571522.

It is an arithmetic number, because the mean of its divisors is an integer number (12571522).

Almost surely, 2^25143043 is an apocalyptic number.

25143043 is a deficient number, since it is larger than the sum of its proper divisors (1).

25143043 is an equidigital number, since it uses as much as digits as its factorization.

25143043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 25143043 is about 5014.2838970286. The cubic root of 25143043 is about 292.9583939183.

Adding to 25143043 its reverse (34034152), we get a palindrome (59177195).

The spelling of 25143043 in words is "twenty-five million, one hundred forty-three thousand, forty-three".