25016423 has 2 divisors, whose sum is σ = 25016424. Its totient is φ = 25016422.

The previous prime is 25016399. The next prime is 25016441. The reversal of 25016423 is 32461052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25016423 - 2¹² = 25012327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25016023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12508211 + 12508212.

It is an arithmetic number, because the mean of its divisors is an integer number (12508212).

Almost surely, 2^25016423 is an apocalyptic number.

25016423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25016423 is an equidigital number, since it uses as much as digits as its factorization.

25016423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 25016423 is about 5001.6420303736. The cubic root of 25016423 is about 292.4657879970.

Adding to 25016423 its reverse (32461052), we get a palindrome (57477475).

The spelling of 25016423 in words is "twenty-five million, sixteen thousand, four hundred twenty-three".