25149323 has 2 divisors, whose sum is σ = 25149324. Its totient is φ = 25149322.

The previous prime is 25149317. The next prime is 25149347. The reversal of 25149323 is 32394152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25149323 - 2⁶ = 25149259 is a prime.

It is not a weakly prime, because it can be changed into another prime (25146323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12574661 + 12574662.

It is an arithmetic number, because the mean of its divisors is an integer number (12574662).

Almost surely, 2^25149323 is an apocalyptic number.

25149323 is a deficient number, since it is larger than the sum of its proper divisors (1).

25149323 is an equidigital number, since it uses as much as digits as its factorization.

25149323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 25149323 is about 5014.9100689843. The cubic root of 25149323 is about 292.9827827132.

The spelling of 25149323 in words is "twenty-five million, one hundred forty-nine thousand, three hundred twenty-three".