25401203 has 4 divisors (see below), whose sum is σ = 26087760. Its totient is φ = 24714648.

The previous prime is 25401199. The next prime is 25401209. The reversal of 25401203 is 30210452.

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

It is a cyclic number.

It is not a de Polignac number, because 25401203 - 2² = 25401199 is a prime.

It is a super-2 number, since 2×25401203² = 1290442227694418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25401209) 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, 343223 + ... + 343296.

It is an arithmetic number, because the mean of its divisors is an integer number (6521940).

Almost surely, 2^25401203 is an apocalyptic number.

25401203 is a deficient number, since it is larger than the sum of its proper divisors (686557).

25401203 is an equidigital number, since it uses as much as digits as its factorization.

25401203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686556.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25401203 is about 5039.9606149255. The cubic root of 25401203 is about 293.9576465745.

Adding to 25401203 its reverse (30210452), we get a palindrome (55611655).

Subtracting 25401203 from its reverse (30210452), we obtain a square (4809249 = 2193²).

The spelling of 25401203 in words is "twenty-five million, four hundred one thousand, two hundred three".