25457085 has 40 divisors (see below), whose sum is σ = 45999360. Its totient is φ = 13468896.

The previous prime is 25457083. The next prime is 25457101. The reversal of 25457085 is 58075452.

It is a happy number.

25457085 is a `hidden beast` number, since 2 + 5 + 4 + 570 + 85 = 666.

It is not a de Polignac number, because 25457085 - 2¹ = 25457083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25457083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 96664 + ... + 96926.

It is an arithmetic number, because the mean of its divisors is an integer number (1149984).

Almost surely, 2^25457085 is an apocalyptic number.

It is an amenable number.

25457085 is a deficient number, since it is larger than the sum of its proper divisors (20542275).

25457085 is a wasteful number, since it uses less digits than its factorization.

25457085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 25457085 is about 5045.5014616983. The cubic root of 25457085 is about 294.1730551337.

The spelling of 25457085 in words is "twenty-five million, four hundred fifty-seven thousand, eighty-five".