424525551 has 4 divisors (see below), whose sum is σ = 566034072. Its totient is φ = 283017032.

The previous prime is 424525537. The next prime is 424525553. The reversal of 424525551 is 155525424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424525551 - 2⁶ = 424525487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424525553) 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, 70754256 + ... + 70754261.

It is an arithmetic number, because the mean of its divisors is an integer number (141508518).

Almost surely, 2^424525551 is an apocalyptic number.

424525551 is a deficient number, since it is larger than the sum of its proper divisors (141508521).

424525551 is a wasteful number, since it uses less digits than its factorization.

424525551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141508520.

The product of its digits is 40000, while the sum is 33.

The square root of 424525551 is about 20604.0178363347. The cubic root of 424525551 is about 751.5674188710.

The spelling of 424525551 in words is "four hundred twenty-four million, five hundred twenty-five thousand, five hundred fifty-one".