7520501 has 2 divisors, whose sum is σ = 7520502. Its totient is φ = 7520500.

The previous prime is 7520479. The next prime is 7520503. The reversal of 7520501 is 1050257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6838225 + 682276 = 2615^2 + 826^2 .

It is a cyclic number.

It is not a de Polignac number, because 7520501 - 2⁶ = 7520437 is a prime.

It is a Sophie Germain prime.

Together with 7520503, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7520503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3760250 + 3760251.

It is an arithmetic number, because the mean of its divisors is an integer number (3760251).

Almost surely, 2^7520501 is an apocalyptic number.

It is an amenable number.

7520501 is a deficient number, since it is larger than the sum of its proper divisors (1).

7520501 is an equidigital number, since it uses as much as digits as its factorization.

7520501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 7520501 is about 2742.3531865899. The cubic root of 7520501 is about 195.9215724678.

Adding to 7520501 its reverse (1050257), we get a palindrome (8570758).

The spelling of 7520501 in words is "seven million, five hundred twenty thousand, five hundred one".