25625145 has 32 divisors (see below), whose sum is σ = 50464512. Its totient is φ = 10812672.

The previous prime is 25625113. The next prime is 25625161. The reversal of 25625145 is 54152652.

It is not a de Polignac number, because 25625145 - 2⁵ = 25625113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8022 + ... + 10751.

It is an arithmetic number, because the mean of its divisors is an integer number (1577016).

Almost surely, 2^25625145 is an apocalyptic number.

It is an amenable number.

25625145 is a deficient number, since it is larger than the sum of its proper divisors (24839367).

25625145 is a wasteful number, since it uses less digits than its factorization.

25625145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18801.

The product of its digits is 12000, while the sum is 30.

The square root of 25625145 is about 5062.1285048880. The cubic root of 25625145 is about 294.8189830778.

Adding to 25625145 its reverse (54152652), we get a palindrome (79777797).

The spelling of 25625145 in words is "twenty-five million, six hundred twenty-five thousand, one hundred forty-five".