25061403 has 4 divisors (see below), whose sum is σ = 33415208. Its totient is φ = 16707600.

The previous prime is 25061401. The next prime is 25061429. The reversal of 25061403 is 30416052.

It is a happy number.

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

It is not a de Polignac number, because 25061403 - 2¹ = 25061401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25061403.

It is not an unprimeable number, because it can be changed into a prime (25061401) 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, 4176898 + ... + 4176903.

It is an arithmetic number, because the mean of its divisors is an integer number (8353802).

Almost surely, 2^25061403 is an apocalyptic number.

25061403 is a deficient number, since it is larger than the sum of its proper divisors (8353805).

25061403 is an equidigital number, since it uses as much as digits as its factorization.

25061403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8353804.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 25061403 is about 5006.1365342947. The cubic root of 25061403 is about 292.6409693786.

Adding to 25061403 its reverse (30416052), we get a palindrome (55477455).

The spelling of 25061403 in words is "twenty-five million, sixty-one thousand, four hundred three".