523051345 has 8 divisors (see below), whose sum is σ = 629277480. Its totient is φ = 417363840.

The previous prime is 523051273. The next prime is 523051367. The reversal of 523051345 is 543150325.

It can be written as a sum of positive squares in 4 ways, for example, as 8714304 + 514337041 = 2952^2 + 22679^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-523051345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132516 + ... + 136405.

It is an arithmetic number, because the mean of its divisors is an integer number (78659685).

Almost surely, 2^523051345 is an apocalyptic number.

It is an amenable number.

523051345 is a deficient number, since it is larger than the sum of its proper divisors (106226135).

523051345 is a wasteful number, since it uses less digits than its factorization.

523051345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269315.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 523051345 is about 22870.3158045533. The cubic root of 523051345 is about 805.7149853153.

The spelling of 523051345 in words is "five hundred twenty-three million, fifty-one thousand, three hundred forty-five".