25052436 has 24 divisors (see below), whose sum is σ = 64951040. Its totient is φ = 8350776.

The previous prime is 25052399. The next prime is 25052437. The reversal of 25052436 is 63425052.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25052437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115876 + ... + 116091.

Almost surely, 2^25052436 is an apocalyptic number.

It is an amenable number.

25052436 is an abundant number, since it is smaller than the sum of its proper divisors (39898604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25052436 is a wasteful number, since it uses less digits than its factorization.

25052436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231980 (or 231972 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 25052436 is about 5005.2408533456. The cubic root of 25052436 is about 292.6060627853.

Adding to 25052436 its reverse (63425052), we get a palindrome (88477488).

The spelling of 25052436 in words is "twenty-five million, fifty-two thousand, four hundred thirty-six".