25562201 has 16 divisors (see below), whose sum is σ = 31196160. Its totient is φ = 20457360.

The previous prime is 25562171. The next prime is 25562209. The reversal of 25562201 is 10226552.

It is a de Polignac number, because none of the positive numbers 2^k-25562201 is a prime.

It is a super-2 number, since 2×25562201² = 1306852239928802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25562209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8090 + ... + 10796.

It is an arithmetic number, because the mean of its divisors is an integer number (1949760).

Almost surely, 2^25562201 is an apocalyptic number.

It is an amenable number.

25562201 is a deficient number, since it is larger than the sum of its proper divisors (5633959).

25562201 is a wasteful number, since it uses less digits than its factorization.

25562201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 25562201 is about 5055.9075347558. The cubic root of 25562201 is about 294.5773935376.

Adding to 25562201 its reverse (10226552), we get a palindrome (35788753).

The spelling of 25562201 in words is "twenty-five million, five hundred sixty-two thousand, two hundred one".