25200030 has 32 divisors (see below), whose sum is σ = 61337088. Its totient is φ = 6624800.

The previous prime is 25200029. The next prime is 25200031. The reversal of 25200030 is 3000252.

It is an interprime number because it is at equal distance from previous prime (25200029) and next prime (25200031).

It is a junction number, because it is equal to n+sod(n) for n = 25199979 and 25200015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25200031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3786 + ... + 8045.

It is an arithmetic number, because the mean of its divisors is an integer number (1916784).

Almost surely, 2^25200030 is an apocalyptic number.

25200030 is an abundant number, since it is smaller than the sum of its proper divisors (36137058).

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

25200030 is a wasteful number, since it uses less digits than its factorization.

25200030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11912.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 25200030 is about 5019.9631472751. The cubic root of 25200030 is about 293.1795581166.

Adding to 25200030 its reverse (3000252), we get a palindrome (28200282).

The spelling of 25200030 in words is "twenty-five million, two hundred thousand, thirty".