25145235 has 40 divisors (see below), whose sum is σ = 46069056. Its totient is φ = 13115520.

The previous prime is 25145221. The next prime is 25145273. The reversal of 25145235 is 53254152.

It is a happy number.

It is not a de Polignac number, because 25145235 - 2⁵ = 25145203 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 25145199 and 25145208.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18375 + ... + 19695.

Almost surely, 2^25145235 is an apocalyptic number.

25145235 is a deficient number, since it is larger than the sum of its proper divisors (20923821).

25145235 is a wasteful number, since it uses less digits than its factorization.

25145235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1376 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 25145235 is about 5014.5024678426. The cubic root of 25145235 is about 292.9669071564.

Adding to 25145235 its reverse (53254152), we get a palindrome (78399387).

The spelling of 25145235 in words is "twenty-five million, one hundred forty-five thousand, two hundred thirty-five".