245563001 has 2 divisors, whose sum is σ = 245563002. Its totient is φ = 245563000.

The previous prime is 245562983. The next prime is 245563033. The reversal of 245563001 is 100365542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205176976 + 40386025 = 14324^2 + 6355^2 .

It is a cyclic number.

It is not a de Polignac number, because 245563001 - 2⁶ = 245562937 is a prime.

It is not a weakly prime, because it can be changed into another prime (245560001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122781500 + 122781501.

It is an arithmetic number, because the mean of its divisors is an integer number (122781501).

Almost surely, 2^245563001 is an apocalyptic number.

It is an amenable number.

245563001 is a deficient number, since it is larger than the sum of its proper divisors (1).

245563001 is an equidigital number, since it uses as much as digits as its factorization.

245563001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 245563001 is about 15670.4499297244. The cubic root of 245563001 is about 626.2114113085.

It can be divided in two parts, 2455 and 63001, that added together give a palindrome (65456).

The spelling of 245563001 in words is "two hundred forty-five million, five hundred sixty-three thousand, one".