25232145 has 8 divisors (see below), whose sum is σ = 40371456. Its totient is φ = 13457136.

The previous prime is 25232093. The next prime is 25232147. The reversal of 25232145 is 54123252.

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

It is not a de Polignac number, because 25232145 - 2¹⁰ = 25231121 is a prime.

It is a super-2 number, since 2×25232145² = 1273322282602050, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (25232147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841057 + ... + 841086.

It is an arithmetic number, because the mean of its divisors is an integer number (5046432).

Almost surely, 2^25232145 is an apocalyptic number.

It is an amenable number.

25232145 is a deficient number, since it is larger than the sum of its proper divisors (15139311).

25232145 is a wasteful number, since it uses less digits than its factorization.

25232145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682151.

The product of its digits is 2400, while the sum is 24.

The square root of 25232145 is about 5023.1608574681. The cubic root of 25232145 is about 293.3040482415.

Adding to 25232145 its reverse (54123252), we get a palindrome (79355397).

The spelling of 25232145 in words is "twenty-five million, two hundred thirty-two thousand, one hundred forty-five".