7425244725 has 24 divisors (see below), whose sum is σ = 12279011712. Its totient is φ = 3959289600.

The previous prime is 7425244633. The next prime is 7425244759. The reversal of 7425244725 is 5274425247.

It is a happy number.

It is not a de Polignac number, because 7425244725 - 2⁸ = 7425244469 is a prime.

It is a super-2 number, since 2×7425244725² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527124 + ... + 541026.

It is an arithmetic number, because the mean of its divisors is an integer number (511625488).

Almost surely, 2^7425244725 is an apocalyptic number.

7425244725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7425244725 is a deficient number, since it is larger than the sum of its proper divisors (4853766987).

7425244725 is a wasteful number, since it uses less digits than its factorization.

7425244725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21037 (or 21032 counting only the distinct ones).

The product of its digits is 627200, while the sum is 42.

The square root of 7425244725 is about 86169.8597248481. The cubic root of 7425244725 is about 1950.9086035259.

The spelling of 7425244725 in words is "seven billion, four hundred twenty-five million, two hundred forty-four thousand, seven hundred twenty-five".