263081401 has 8 divisors (see below), whose sum is σ = 288201600. Its totient is φ = 238161840.

The previous prime is 263081393. The next prime is 263081437. The reversal of 263081401 is 104180362.

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

It is a cyclic number.

It is not a de Polignac number, because 263081401 - 2³ = 263081393 is a prime.

It is a super-3 number, since 3×263081401³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263085401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47406 + ... + 52663.

It is an arithmetic number, because the mean of its divisors is an integer number (36025200).

Almost surely, 2^263081401 is an apocalyptic number.

It is an amenable number.

263081401 is a deficient number, since it is larger than the sum of its proper divisors (25120199).

263081401 is a wasteful number, since it uses less digits than its factorization.

263081401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100319.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 263081401 is about 16219.7842464072. The cubic root of 263081401 is about 640.7619513862.

The spelling of 263081401 in words is "two hundred sixty-three million, eighty-one thousand, four hundred one".