25430115 has 8 divisors (see below), whose sum is σ = 40688208. Its totient is φ = 13562720.

The previous prime is 25430101. The next prime is 25430117. The reversal of 25430115 is 51103452.

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

It is not a de Polignac number, because 25430115 - 2¹⁵ = 25397347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25430091 and 25430100.

It is not an unprimeable number, because it can be changed into a prime (25430117) 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, 847656 + ... + 847685.

It is an arithmetic number, because the mean of its divisors is an integer number (5086026).

Almost surely, 2^25430115 is an apocalyptic number.

25430115 is a deficient number, since it is larger than the sum of its proper divisors (15258093).

25430115 is a wasteful number, since it uses less digits than its factorization.

25430115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695349.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 25430115 is about 5042.8280755941. The cubic root of 25430115 is about 294.0691331708.

Adding to 25430115 its reverse (51103452), we get a palindrome (76533567).

The spelling of 25430115 in words is "twenty-five million, four hundred thirty thousand, one hundred fifteen".