428113351 has 4 divisors (see below), whose sum is σ = 430677072. Its totient is φ = 425549632.

The previous prime is 428113337. The next prime is 428113369. The reversal of 428113351 is 153311824.

It is a happy number.

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 428113351 - 2⁵ = 428113319 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 (428117351) 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, 1281610 + ... + 1281943.

It is an arithmetic number, because the mean of its divisors is an integer number (107669268).

Almost surely, 2^428113351 is an apocalyptic number.

428113351 is a deficient number, since it is larger than the sum of its proper divisors (2563721).

428113351 is a wasteful number, since it uses less digits than its factorization.

428113351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563720.

The product of its digits is 2880, while the sum is 28.

The square root of 428113351 is about 20690.9001979131. The cubic root of 428113351 is about 753.6787270472.

The spelling of 428113351 in words is "four hundred twenty-eight million, one hundred thirteen thousand, three hundred fifty-one".