427325621 has 8 divisors (see below), whose sum is σ = 431033088. Its totient is φ = 423630000.

The previous prime is 427325609. The next prime is 427325627. The reversal of 427325621 is 126523724.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427325621 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 (427325627) 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, 79076 + ... + 84306.

It is an arithmetic number, because the mean of its divisors is an integer number (53879136).

Almost surely, 2^427325621 is an apocalyptic number.

It is an amenable number.

427325621 is a deficient number, since it is larger than the sum of its proper divisors (3707467).

427325621 is a wasteful number, since it uses less digits than its factorization.

427325621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5923.

The product of its digits is 20160, while the sum is 32.

The square root of 427325621 is about 20671.8557705882. The cubic root of 427325621 is about 753.2161861113.

The spelling of 427325621 in words is "four hundred twenty-seven million, three hundred twenty-five thousand, six hundred twenty-one".