427445453 has 4 divisors (see below), whose sum is σ = 441234048. Its totient is φ = 413656860.

The previous prime is 427445449. The next prime is 427445479. The reversal of 427445453 is 354544724.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427445453 - 2² = 427445449 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 (427445443) 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, 6894251 + ... + 6894312.

It is an arithmetic number, because the mean of its divisors is an integer number (110308512).

Almost surely, 2^427445453 is an apocalyptic number.

It is an amenable number.

427445453 is a deficient number, since it is larger than the sum of its proper divisors (13788595).

427445453 is a wasteful number, since it uses less digits than its factorization.

427445453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13788594.

The product of its digits is 268800, while the sum is 38.

The square root of 427445453 is about 20674.7540009549. The cubic root of 427445453 is about 753.2865859515.

The spelling of 427445453 in words is "four hundred twenty-seven million, four hundred forty-five thousand, four hundred fifty-three".