427294551 has 8 divisors (see below), whose sum is σ = 569923200. Its totient is φ = 284764472.

The previous prime is 427294547. The next prime is 427294559. The reversal of 427294551 is 155492724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427294551 - 2² = 427294547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427294559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13851 + ... + 32348.

It is an arithmetic number, because the mean of its divisors is an integer number (71240400).

Almost surely, 2^427294551 is an apocalyptic number.

427294551 is a deficient number, since it is larger than the sum of its proper divisors (142628649).

427294551 is a wasteful number, since it uses less digits than its factorization.

427294551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49285.

The product of its digits is 100800, while the sum is 39.

The square root of 427294551 is about 20671.1042520713. The cubic root of 427294551 is about 753.1979307162.

The spelling of 427294551 in words is "four hundred twenty-seven million, two hundred ninety-four thousand, five hundred fifty-one".