25412530 has 48 divisors (see below), whose sum is σ = 54074304. Its totient is φ = 8523840.

The previous prime is 25412473. The next prime is 25412531. The reversal of 25412530 is 3521452.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25412531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17907 + ... + 19273.

It is an arithmetic number, because the mean of its divisors is an integer number (1126548).

Almost surely, 2^25412530 is an apocalyptic number.

25412530 is an abundant number, since it is smaller than the sum of its proper divisors (28661774).

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

25412530 is a wasteful number, since it uses less digits than its factorization.

25412530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25412530 is about 5041.0842087789. The cubic root of 25412530 is about 294.0013343145.

Adding to 25412530 its reverse (3521452), we get a palindrome (28933982).

The spelling of 25412530 in words is "twenty-five million, four hundred twelve thousand, five hundred thirty".