25430830 has 16 divisors (see below), whose sum is σ = 45848880. Its totient is φ = 10156032.

The previous prime is 25430813. The next prime is 25430833. The reversal of 25430830 is 3803452.

It is a super-2 number, since 2×25430830² = 1293454228977800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25430795 and 25430804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25430833) 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, 6037 + ... + 9343.

It is an arithmetic number, because the mean of its divisors is an integer number (2865555).

Almost surely, 2^25430830 is an apocalyptic number.

25430830 is a deficient number, since it is larger than the sum of its proper divisors (20418050).

25430830 is a wasteful number, since it uses less digits than its factorization.

25430830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 25430830 is about 5042.8989678557. The cubic root of 25430830 is about 294.0718891874.

The spelling of 25430830 in words is "twenty-five million, four hundred thirty thousand, eight hundred thirty".