4242201525 has 24 divisors (see below), whose sum is σ = 7793082560. Its totient is φ = 2262507120.

The previous prime is 4242201521. The next prime is 4242201527. The reversal of 4242201525 is 5251022424.

4242201525 is a `hidden beast` number, since 424 + 220 + 15 + 2 + 5 = 666.

It is not a de Polignac number, because 4242201525 - 2² = 4242201521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242201521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3141697 + ... + 3143046.

Almost surely, 2^4242201525 is an apocalyptic number.

4242201525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4242201525 is a deficient number, since it is larger than the sum of its proper divisors (3550881035).

4242201525 is a wasteful number, since it uses less digits than its factorization.

4242201525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6284762 (or 6284751 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 4242201525 is about 65132.1850163189. The cubic root of 4242201525 is about 1618.8145476962.

Adding to 4242201525 its reverse (5251022424), we get a palindrome (9493223949).

The spelling of 4242201525 in words is "four billion, two hundred forty-two million, two hundred one thousand, five hundred twenty-five".