523878425 has 12 divisors (see below), whose sum is σ = 742410816. Its totient is φ = 359230800.

The previous prime is 523878413. The next prime is 523878437. The reversal of 523878425 is 524878325.

It is an interprime number because it is at equal distance from previous prime (523878413) and next prime (523878437).

It is a de Polignac number, because none of the positive numbers 2^k-523878425 is a prime.

It is a super-3 number, since 3×523878425³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1496621 + ... + 1496970.

It is an arithmetic number, because the mean of its divisors is an integer number (61867568).

Almost surely, 2^523878425 is an apocalyptic number.

It is an amenable number.

523878425 is a deficient number, since it is larger than the sum of its proper divisors (218532391).

523878425 is a wasteful number, since it uses less digits than its factorization.

523878425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993608 (or 2993603 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 523878425 is about 22888.3906162054. The cubic root of 523878425 is about 806.1394432065.

The spelling of 523878425 in words is "five hundred twenty-three million, eight hundred seventy-eight thousand, four hundred twenty-five".