427332553 has 16 divisors (see below), whose sum is σ = 477472320. Its totient is φ = 380077056.

The previous prime is 427332541. The next prime is 427332557. The reversal of 427332553 is 355233724.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427332553 is a prime.

It is a super-2 number, since 2×427332553² = 365226221706995618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427332557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149425 + ... + 152257.

It is an arithmetic number, because the mean of its divisors is an integer number (29842020).

Almost surely, 2^427332553 is an apocalyptic number.

It is an amenable number.

427332553 is a deficient number, since it is larger than the sum of its proper divisors (50139767).

427332553 is a wasteful number, since it uses less digits than its factorization.

427332553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336.

The product of its digits is 75600, while the sum is 34.

The square root of 427332553 is about 20672.0234374867. The cubic root of 427332553 is about 753.2202589354.

The spelling of 427332553 in words is "four hundred twenty-seven million, three hundred thirty-two thousand, five hundred fifty-three".