263450413 has 16 divisors (see below), whose sum is σ = 278553600. Its totient is φ = 248814720.

The previous prime is 263450393. The next prime is 263450459. The reversal of 263450413 is 314054362.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263450413 is a prime.

It is a super-2 number, since 2×263450413² = 138812240219741138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263450483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265348 + ... + 266338.

It is an arithmetic number, because the mean of its divisors is an integer number (17409600).

Almost surely, 2^263450413 is an apocalyptic number.

It is an amenable number.

263450413 is a deficient number, since it is larger than the sum of its proper divisors (15103187).

263450413 is a wasteful number, since it uses less digits than its factorization.

263450413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 263450413 is about 16231.1556273729. The cubic root of 263450413 is about 641.0614003812.

The spelling of 263450413 in words is "two hundred sixty-three million, four hundred fifty thousand, four hundred thirteen".