25125603 has 8 divisors (see below), whose sum is σ = 34001088. Its totient is φ = 16500264.

The previous prime is 25125599. The next prime is 25125613. The reversal of 25125603 is 30652152.

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

It is not a de Polignac number, because 25125603 - 2² = 25125599 is a prime.

It is a super-2 number, since 2×25125603² = 1262591852227218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25125613) 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, 62301 + ... + 62702.

It is an arithmetic number, because the mean of its divisors is an integer number (4250136).

Almost surely, 2^25125603 is an apocalyptic number.

25125603 is a deficient number, since it is larger than the sum of its proper divisors (8875485).

25125603 is a wasteful number, since it uses less digits than its factorization.

25125603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125073.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 25125603 is about 5012.5445633929. The cubic root of 25125603 is about 292.8906432202.

Adding to 25125603 its reverse (30652152), we get a palindrome (55777755).

The spelling of 25125603 in words is "twenty-five million, one hundred twenty-five thousand, six hundred three".