523954 has 4 divisors (see below), whose sum is σ = 785934. Its totient is φ = 261976.

The previous prime is 523949. The next prime is 523969. The reversal of 523954 is 459325.

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

It can be written as a sum of positive squares in only one way, i.e., 522729 + 1225 = 723^2 + 35^2 .

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130987 + ... + 130990.

2⁵²³⁹⁵⁴ is an apocalyptic number.

523954 is a deficient number, since it is larger than the sum of its proper divisors (261980).

523954 is a wasteful number, since it uses less digits than its factorization.

523954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261979.

The product of its digits is 5400, while the sum is 28.

The square root of 523954 is about 723.8466688464. The cubic root of 523954 is about 80.6178206054.

The spelling of 523954 in words is "five hundred twenty-three thousand, nine hundred fifty-four".