7545641325 has 24 divisors (see below), whose sum is σ = 12500324928. Its totient is φ = 4016321280.

The previous prime is 7545641317. The next prime is 7545641329. The reversal of 7545641325 is 5231465457.

It is not a de Polignac number, because 7545641325 - 2³ = 7545641317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7545641329) 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, 62284 + ... + 137733.

It is an arithmetic number, because the mean of its divisors is an integer number (520846872).

Almost surely, 2^7545641325 is an apocalyptic number.

7545641325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7545641325 is a deficient number, since it is larger than the sum of its proper divisors (4954683603).

7545641325 is a wasteful number, since it uses less digits than its factorization.

7545641325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200533 (or 200528 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The square root of 7545641325 is about 86865.6510077487. The cubic root of 7545641325 is about 1961.3964542361.

The spelling of 7545641325 in words is "seven billion, five hundred forty-five million, six hundred forty-one thousand, three hundred twenty-five".