427361551 has 8 divisors (see below), whose sum is σ = 446392800. Its totient is φ = 408367872.

The previous prime is 427361549. The next prime is 427361569. The reversal of 427361551 is 155163724.

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 427361551 - 2¹ = 427361549 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 (427364551) 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, 15271 + ... + 32983.

It is an arithmetic number, because the mean of its divisors is an integer number (55799100).

Almost surely, 2^427361551 is an apocalyptic number.

427361551 is a deficient number, since it is larger than the sum of its proper divisors (19031249).

427361551 is a wasteful number, since it uses less digits than its factorization.

427361551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18785.

The product of its digits is 25200, while the sum is 34.

The square root of 427361551 is about 20672.7248083072. The cubic root of 427361551 is about 753.2372959299.

The spelling of 427361551 in words is "four hundred twenty-seven million, three hundred sixty-one thousand, five hundred fifty-one".