25162601 has 4 divisors (see below), whose sum is σ = 26642772. Its totient is φ = 23682432.

The previous prime is 25162583. The next prime is 25162603. The reversal of 25162601 is 10626152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16192576 + 8970025 = 4024^2 + 2995^2 .

It is a cyclic number.

It is not a de Polignac number, because 25162601 - 2⁶ = 25162537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25162603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740060 + ... + 740093.

It is an arithmetic number, because the mean of its divisors is an integer number (6660693).

Almost surely, 2^25162601 is an apocalyptic number.

It is an amenable number.

25162601 is a deficient number, since it is larger than the sum of its proper divisors (1480171).

25162601 is a wasteful number, since it uses less digits than its factorization.

25162601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480170.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 25162601 is about 5016.2337465473. The cubic root of 25162601 is about 293.0343353395.

Adding to 25162601 its reverse (10626152), we get a palindrome (35788753).

The spelling of 25162601 in words is "twenty-five million, one hundred sixty-two thousand, six hundred one".