245551201 has 6 divisors (see below), whose sum is σ = 285641250. Its totient is φ = 210472416.

The previous prime is 245551177. The next prime is 245551211. The reversal of 245551201 is 102155542.

It can be written as a sum of positive squares in only one way, i.e., 224400400 + 21150801 = 14980^2 + 4599^2 .

It is not a de Polignac number, because 245551201 - 2¹¹ = 245549153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245551211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2505576 + ... + 2505673.

It is an arithmetic number, because the mean of its divisors is an integer number (47606875).

Almost surely, 2^245551201 is an apocalyptic number.

It is an amenable number.

245551201 is a deficient number, since it is larger than the sum of its proper divisors (40090049).

245551201 is an equidigital number, since it uses as much as digits as its factorization.

245551201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011263 (or 5011256 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 245551201 is about 15670.0734203768. The cubic root of 245551201 is about 626.2013807353.

The spelling of 245551201 in words is "two hundred forty-five million, five hundred fifty-one thousand, two hundred one".