407453 has 4 divisors (see below), whose sum is σ = 408828. Its totient is φ = 406080.

The previous prime is 407437. The next prime is 407471. The reversal of 407453 is 354704.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 139129 + 268324 = 373^2 + 518^2 .

It is a cyclic number.

It is not a de Polignac number, because 407453 - 2⁴ = 407437 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407483) 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, 38 + ... + 903.

It is an arithmetic number, because the mean of its divisors is an integer number (102207).

2⁴⁰⁷⁴⁵³ is an apocalyptic number.

It is an amenable number.

407453 is a deficient number, since it is larger than the sum of its proper divisors (1375).

407453 is an equidigital number, since it uses as much as digits as its factorization.

407453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 407453 is about 638.3204524375. The cubic root of 407453 is about 74.1354349557.

The spelling of 407453 in words is "four hundred seven thousand, four hundred fifty-three".