25214838 has 32 divisors (see below), whose sum is σ = 55924992. Its totient is φ = 7514400.

The previous prime is 25214821. The next prime is 25214851. The reversal of 25214838 is 83841252.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 25214799 and 25214808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895 + ... + 7157.

It is an arithmetic number, because the mean of its divisors is an integer number (1747656).

Almost surely, 2^25214838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25214838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27962496).

25214838 is an abundant number, since it is smaller than the sum of its proper divisors (30710154).

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

25214838 is a wasteful number, since it uses less digits than its factorization.

25214838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6340.

The product of its digits is 15360, while the sum is 33.

The square root of 25214838 is about 5021.4378418935. The cubic root of 25214838 is about 293.2369727680.

The spelling of 25214838 in words is "twenty-five million, two hundred fourteen thousand, eight hundred thirty-eight".