712040453 has 4 divisors (see below), whose sum is σ = 712315980. Its totient is φ = 711764928.

The previous prime is 712040449. The next prime is 712040587. The reversal of 712040453 is 354040217.

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 310358689 + 401681764 = 17617^2 + 20042^2 .

It is a cyclic number.

It is not a de Polignac number, because 712040453 - 2² = 712040449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712040653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133850 + ... + 139067.

It is an arithmetic number, because the mean of its divisors is an integer number (178078995).

Almost surely, 2^712040453 is an apocalyptic number.

It is an amenable number.

712040453 is a deficient number, since it is larger than the sum of its proper divisors (275527).

712040453 is a wasteful number, since it uses less digits than its factorization.

712040453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275526.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 712040453 is about 26684.0861376214. The cubic root of 712040453 is about 892.9659300638.

The spelling of 712040453 in words is "seven hundred twelve million, forty thousand, four hundred fifty-three".