25725043 has 2 divisors, whose sum is σ = 25725044. Its totient is φ = 25725042.

The previous prime is 25725019. The next prime is 25725053. The reversal of 25725043 is 34052752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25725043 - 2¹³ = 25716851 is a prime.

It is not a weakly prime, because it can be changed into another prime (25725013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12862521 + 12862522.

It is an arithmetic number, because the mean of its divisors is an integer number (12862522).

Almost surely, 2^25725043 is an apocalyptic number.

25725043 is a deficient number, since it is larger than the sum of its proper divisors (1).

25725043 is an equidigital number, since it uses as much as digits as its factorization.

25725043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 25725043 is about 5071.9861001387. The cubic root of 25725043 is about 295.2015973345.

Adding to 25725043 its reverse (34052752), we get a palindrome (59777795).

The spelling of 25725043 in words is "twenty-five million, seven hundred twenty-five thousand, forty-three".