407952113 has 4 divisors (see below), whose sum is σ = 408618228. Its totient is φ = 407286000.

The previous prime is 407952107. The next prime is 407952143. The reversal of 407952113 is 311259704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44782864 + 363169249 = 6692^2 + 19057^2 .

It is a cyclic number.

It is not a de Polignac number, because 407952113 - 2⁶ = 407952049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 407952113.

It is not an unprimeable number, because it can be changed into a prime (407952143) 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, 332138 + ... + 333363.

It is an arithmetic number, because the mean of its divisors is an integer number (102154557).

Almost surely, 2^407952113 is an apocalyptic number.

It is an amenable number.

407952113 is a deficient number, since it is larger than the sum of its proper divisors (666115).

407952113 is an equidigital number, since it uses as much as digits as its factorization.

407952113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666114.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 407952113 is about 20197.8244620553. The cubic root of 407952113 is about 741.6569354669.

The spelling of 407952113 in words is "four hundred seven million, nine hundred fifty-two thousand, one hundred thirteen".