25430270 has 8 divisors (see below), whose sum is σ = 45774504. Its totient is φ = 10172104.

The previous prime is 25430267. The next prime is 25430281. The reversal of 25430270 is 7203452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271504 + ... + 1271523.

It is an arithmetic number, because the mean of its divisors is an integer number (5721813).

Almost surely, 2^25430270 is an apocalyptic number.

25430270 is a deficient number, since it is larger than the sum of its proper divisors (20344234).

25430270 is a wasteful number, since it uses less digits than its factorization.

25430270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543034.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 25430270 is about 5042.8434439312. The cubic root of 25430270 is about 294.0697306333.

The spelling of 25430270 in words is "twenty-five million, four hundred thirty thousand, two hundred seventy".