525618452 has 6 divisors (see below), whose sum is σ = 919832298. Its totient is φ = 262809224.

The previous prime is 525618449. The next prime is 525618463. The reversal of 525618452 is 254816525.

It can be written as a sum of positive squares in only one way, i.e., 306460036 + 219158416 = 17506^2 + 14804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65702303 + ... + 65702310.

It is an arithmetic number, because the mean of its divisors is an integer number (153305383).

Almost surely, 2^525618452 is an apocalyptic number.

It is an amenable number.

525618452 is a deficient number, since it is larger than the sum of its proper divisors (394213846).

525618452 is a wasteful number, since it uses less digits than its factorization.

525618452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131404617 (or 131404615 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 525618452 is about 22926.3702316786. The cubic root of 525618452 is about 807.0309695564.

The spelling of 525618452 in words is "five hundred twenty-five million, six hundred eighteen thousand, four hundred fifty-two".