7545487 has 2 divisors, whose sum is σ = 7545488. Its totient is φ = 7545486.

The previous prime is 7545479. The next prime is 7545497. The reversal of 7545487 is 7845457.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7545487 - 2³ = 7545479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7545497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3772743 + 3772744.

It is an arithmetic number, because the mean of its divisors is an integer number (3772744).

Almost surely, 2^7545487 is an apocalyptic number.

7545487 is a deficient number, since it is larger than the sum of its proper divisors (1).

7545487 is an equidigital number, since it uses as much as digits as its factorization.

7545487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156800, while the sum is 40.

The square root of 7545487 is about 2746.9049856156. The cubic root of 7545487 is about 196.1383082518.

It can be divided in two parts, 754 and 5487, that added together give a square (6241 = 79²).

The spelling of 7545487 in words is "seven million, five hundred forty-five thousand, four hundred eighty-seven".