25430955 has 16 divisors (see below), whose sum is σ = 44388864. Its totient is φ = 12330080.

The previous prime is 25430953. The next prime is 25430957. The reversal of 25430955 is 55903452.

It is an interprime number because it is at equal distance from previous prime (25430953) and next prime (25430957).

It is not a de Polignac number, because 25430955 - 2¹ = 25430953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (25430953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76899 + ... + 77228.

It is an arithmetic number, because the mean of its divisors is an integer number (2774304).

Almost surely, 2^25430955 is an apocalyptic number.

25430955 is a deficient number, since it is larger than the sum of its proper divisors (18957909).

25430955 is a wasteful number, since it uses less digits than its factorization.

25430955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154146.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 25430955 is about 5042.9113615054. The cubic root of 25430955 is about 294.0723710032.

The spelling of 25430955 in words is "twenty-five million, four hundred thirty thousand, nine hundred fifty-five".