201525424 has 10 divisors (see below), whose sum is σ = 390455540. Its totient is φ = 100762704.

The previous prime is 201525407. The next prime is 201525427. The reversal of 201525424 is 424525102.

It is a super-2 number, since 2×201525424² = 81224993036759552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201525427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6297654 + ... + 6297685.

It is an arithmetic number, because the mean of its divisors is an integer number (39045554).

Almost surely, 2^201525424 is an apocalyptic number.

It is an amenable number.

201525424 is a deficient number, since it is larger than the sum of its proper divisors (188930116).

201525424 is a wasteful number, since it uses less digits than its factorization.

201525424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12595347 (or 12595341 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 201525424 is about 14195.9650605374. The cubic root of 201525424 is about 586.2865725506.

It can be divided in two parts, 201 and 525424, that added together give a square (525625 = 725²).

The spelling of 201525424 in words is "two hundred one million, five hundred twenty-five thousand, four hundred twenty-four".