25424157 has 12 divisors (see below), whose sum is σ = 37261280. Its totient is φ = 15408360.

The previous prime is 25424149. The next prime is 25424159. The reversal of 25424157 is 75142452.

It is not a de Polignac number, because 25424157 - 2³ = 25424149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25424159) 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 11 ways as a sum of consecutive naturals, for example, 34657 + ... + 35382.

Almost surely, 2^25424157 is an apocalyptic number.

It is an amenable number.

25424157 is a deficient number, since it is larger than the sum of its proper divisors (11837123).

25424157 is a wasteful number, since it uses less digits than its factorization.

25424157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70064 (or 70053 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 25424157 is about 5042.2373010401. The cubic root of 25424157 is about 294.0461656413.

The spelling of 25424157 in words is "twenty-five million, four hundred twenty-four thousand, one hundred fifty-seven".