7381501 has 2 divisors, whose sum is σ = 7381502. Its totient is φ = 7381500.

The previous prime is 7381483. The next prime is 7381511. The reversal of 7381501 is 1051837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4301476 + 3080025 = 2074^2 + 1755^2 .

It is a cyclic number.

It is not a de Polignac number, because 7381501 - 2¹¹ = 7379453 is a prime.

It is an Ulam number.

7381501 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7381511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3690750 + 3690751.

It is an arithmetic number, because the mean of its divisors is an integer number (3690751).

Almost surely, 2^7381501 is an apocalyptic number.

It is an amenable number.

7381501 is a deficient number, since it is larger than the sum of its proper divisors (1).

7381501 is an equidigital number, since it uses as much as digits as its factorization.

7381501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 7381501 is about 2716.8917902633. The cubic root of 7381501 is about 194.7069980523.

The spelling of 7381501 in words is "seven million, three hundred eighty-one thousand, five hundred one".