25430085 has 32 divisors (see below), whose sum is σ = 45636480. Its totient is φ = 13434624.

The previous prime is 25430081. The next prime is 25430101. The reversal of 25430085 is 58003452.

It is not a de Polignac number, because 25430085 - 2² = 25430081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25430081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14422 + ... + 16088.

It is an arithmetic number, because the mean of its divisors is an integer number (1426140).

Almost surely, 2^25430085 is an apocalyptic number.

It is an amenable number.

25430085 is a deficient number, since it is larger than the sum of its proper divisors (20206395).

25430085 is a wasteful number, since it uses less digits than its factorization.

25430085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 25430085 is about 5042.8251010718. The cubic root of 25430085 is about 294.0690175326.

The spelling of 25430085 in words is "twenty-five million, four hundred thirty thousand, eighty-five".