263253325045 has 8 divisors (see below), whose sum is σ = 316100335320. Its totient is φ = 210471763200.

The previous prime is 263253325039. The next prime is 263253325061. The reversal of 263253325045 is 540523352362.

It can be written as a sum of positive squares in 4 ways, for example, as 120854264881 + 142399060164 = 347641^2 + 377358^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 263253325045 - 2⁹ = 263253324533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263253324989 and 263253325007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16353256 + ... + 16369345.

It is an arithmetic number, because the mean of its divisors is an integer number (39512541915).

Almost surely, 2^263253325045 is an apocalyptic number.

It is an amenable number.

263253325045 is a deficient number, since it is larger than the sum of its proper divisors (52847010275).

263253325045 is a wasteful number, since it uses less digits than its factorization.

263253325045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32724215.

The product of its (nonzero) digits is 648000, while the sum is 40.

The spelling of 263253325045 in words is "two hundred sixty-three billion, two hundred fifty-three million, three hundred twenty-five thousand, forty-five".