25435053 has 48 divisors (see below), whose sum is σ = 45893120. Its totient is φ = 13751856.

The previous prime is 25435051. The next prime is 25435063. The reversal of 25435053 is 35053452.

It is not a de Polignac number, because 25435053 - 2¹ = 25435051 is a prime.

It is a super-2 number, since 2×25435053² = 1293883842225618, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25435051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31926 + ... + 32712.

Almost surely, 2^25435053 is an apocalyptic number.

It is an amenable number.

25435053 is a deficient number, since it is larger than the sum of its proper divisors (20458067).

25435053 is an equidigital number, since it uses as much as digits as its factorization.

25435053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 25435053 is about 5043.3176580501. The cubic root of 25435053 is about 294.0881659776.

The spelling of 25435053 in words is "twenty-five million, four hundred thirty-five thousand, fifty-three".