7540501 has 2 divisors, whose sum is σ = 7540502. Its totient is φ = 7540500.

The previous prime is 7540499. The next prime is 7540517. The reversal of 7540501 is 1050457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7535025 + 5476 = 2745^2 + 74^2 .

It is an emirp because it is prime and its reverse (1050457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7540501 - 2¹ = 7540499 is a prime.

Together with 7540499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7540541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3770250 + 3770251.

It is an arithmetic number, because the mean of its divisors is an integer number (3770251).

Almost surely, 2^7540501 is an apocalyptic number.

It is an amenable number.

7540501 is a deficient number, since it is larger than the sum of its proper divisors (1).

7540501 is an equidigital number, since it uses as much as digits as its factorization.

7540501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 7540501 is about 2745.9972687532. The cubic root of 7540501 is about 196.0950965019.

Adding to 7540501 its reverse (1050457), we get a palindrome (8590958).

The spelling of 7540501 in words is "seven million, five hundred forty thousand, five hundred one".