25145032 has 32 divisors (see below), whose sum is σ = 51778080. Its totient is φ = 11352960.

The previous prime is 25145027. The next prime is 25145039. The reversal of 25145032 is 23054152.

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

It is a junction number, because it is equal to n+sod(n) for n = 25144994 and 25145012.

It is not an unprimeable number, because it can be changed into a prime (25145039) 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, 13468 + ... + 15220.

It is an arithmetic number, because the mean of its divisors is an integer number (1618065).

Almost surely, 2^25145032 is an apocalyptic number.

25145032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25145032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25889040).

25145032 is an abundant number, since it is smaller than the sum of its proper divisors (26633048).

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

25145032 is a wasteful number, since it uses less digits than its factorization.

25145032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933 (or 1929 counting only the distinct ones).

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

The square root of 25145032 is about 5014.4822265115. The cubic root of 25145032 is about 292.9661187706.

Adding to 25145032 its reverse (23054152), we get a palindrome (48199184).

The spelling of 25145032 in words is "twenty-five million, one hundred forty-five thousand, thirty-two".