25142430 has 32 divisors (see below), whose sum is σ = 61816608. Its totient is φ = 6540800.

The previous prime is 25142413. The next prime is 25142477. The reversal of 25142430 is 3424152.

It is a junction number, because it is equal to n+sod(n) for n = 25142397 and 25142406.

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, 8991 + ... + 11450.

It is an arithmetic number, because the mean of its divisors is an integer number (1931769).

Almost surely, 2^25142430 is an apocalyptic number.

25142430 is an abundant number, since it is smaller than the sum of its proper divisors (36674178).

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

25142430 is a wasteful number, since it uses less digits than its factorization.

25142430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20492.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 25142430 is about 5014.2227712777. Note that the first 3 decimals coincide. The cubic root of 25142430 is about 292.9560130747.

Adding to 25142430 its reverse (3424152), we get a palindrome (28566582).

The spelling of 25142430 in words is "twenty-five million, one hundred forty-two thousand, four hundred thirty".