263625030601 has 4 divisors (see below), whose sum is σ = 263662876672. Its totient is φ = 263587184532.

The previous prime is 263625030589. The next prime is 263625030607. The reversal of 263625030601 is 106030526362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 263625030601 - 2²³ = 263616641993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263625030607) 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, 18912585 + ... + 18926518.

It is an arithmetic number, because the mean of its divisors is an integer number (65915719168).

Almost surely, 2^263625030601 is an apocalyptic number.

It is an amenable number.

263625030601 is a deficient number, since it is larger than the sum of its proper divisors (37846071).

263625030601 is an equidigital number, since it uses as much as digits as its factorization.

263625030601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37846070.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 263625030601 its reverse (106030526362), we get a palindrome (369655556963).

The spelling of 263625030601 in words is "two hundred sixty-three billion, six hundred twenty-five million, thirty thousand, six hundred one".