25143048 has 160 divisors (see below), whose sum is σ = 84332160. Its totient is φ = 6842880.

The previous prime is 25143047. The next prime is 25143059. The reversal of 25143048 is 84034152.

It is a super-3 number, since 3×25143048³ (a number of 23 digits) contains 333 as substring.

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 (25143043) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 104208 + ... + 104448.

It is an arithmetic number, because the mean of its divisors is an integer number (527076).

Almost surely, 2^25143048 is an apocalyptic number.

25143048 is a gapful number since it is divisible by the number (28) 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 25143048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42166080).

25143048 is an abundant number, since it is smaller than the sum of its proper divisors (59189112).

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

25143048 is a wasteful number, since it uses less digits than its factorization.

25143048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 25143048 is about 5014.2843956042. The cubic root of 25143048 is about 292.9584133377.

The spelling of 25143048 in words is "twenty-five million, one hundred forty-three thousand, forty-eight".