7528012425 has 36 divisors (see below), whose sum is σ = 13982907120. Its totient is φ = 4014936720.

The previous prime is 7528012423. The next prime is 7528012433. The reversal of 7528012425 is 5242108257.

It is a happy number.

7528012425 is a `hidden beast` number, since 7 + 528 + 0 + 124 + 2 + 5 = 666.

It is not a de Polignac number, because 7528012425 - 2¹ = 7528012423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7528012425.

It is not an unprimeable number, because it can be changed into a prime (7528012421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 613515 + ... + 625664.

Almost surely, 2^7528012425 is an apocalyptic number.

7528012425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7528012425 is a deficient number, since it is larger than the sum of its proper divisors (6454894695).

7528012425 is a wasteful number, since it uses less digits than its factorization.

7528012425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239204 (or 1239187 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 7528012425 is about 86764.1194561439. The cubic root of 7528012425 is about 1959.8677913912.

The spelling of 7528012425 in words is "seven billion, five hundred twenty-eight million, twelve thousand, four hundred twenty-five".