245453201 has 16 divisors (see below), whose sum is σ = 287616000. Its totient is φ = 209379744.

The previous prime is 245453147. The next prime is 245453209. The reversal of 245453201 is 102354542.

It is a happy number.

It is not a de Polignac number, because 245453201 - 2⁶ = 245453137 is a prime.

It is a super-2 number, since 2×245453201² = 120494547762292802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245453209) 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, 74885 + ... + 78093.

It is an arithmetic number, because the mean of its divisors is an integer number (17976000).

Almost surely, 2^245453201 is an apocalyptic number.

It is an amenable number.

245453201 is a deficient number, since it is larger than the sum of its proper divisors (42162799).

245453201 is an equidigital number, since it uses as much as digits as its factorization.

245453201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 245453201 is about 15666.9461287132. The cubic root of 245453201 is about 626.1180635549.

It can be divided in two parts, 2454 and 53201, that added together give a palindrome (55655).

The spelling of 245453201 in words is "two hundred forty-five million, four hundred fifty-three thousand, two hundred one".