7381248525 has 120 divisors (see below), whose sum is σ = 15946251200. Its totient is φ = 3373967520.

The previous prime is 7381248449. The next prime is 7381248533. The reversal of 7381248525 is 5258421837.

7381248525 is a `hidden beast` number, since 7 + 3 + 81 + 2 + 48 + 525 = 666.

It is not a de Polignac number, because 7381248525 - 2⁹ = 7381248013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 689262 + ... + 699888.

Almost surely, 2^7381248525 is an apocalyptic number.

7381248525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7381248525 is an abundant number, since it is smaller than the sum of its proper divisors (8565002675).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7381248525 is a wasteful number, since it uses less digits than its factorization.

7381248525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670 (or 10642 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 7381248525 is about 85914.1928030520. The cubic root of 7381248525 is about 1947.0477812401.

The spelling of 7381248525 in words is "seven billion, three hundred eighty-one million, two hundred forty-eight thousand, five hundred twenty-five".