7640053 has 2 divisors, whose sum is σ = 7640054. Its totient is φ = 7640052.

The previous prime is 7640047. The next prime is 7640069. The reversal of 7640053 is 3500467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7606564 + 33489 = 2758^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 7640053 - 2¹⁷ = 7508981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7640023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3820026 + 3820027.

It is an arithmetic number, because the mean of its divisors is an integer number (3820027).

Almost surely, 2^7640053 is an apocalyptic number.

It is an amenable number.

7640053 is a deficient number, since it is larger than the sum of its proper divisors (1).

7640053 is an equidigital number, since it uses as much as digits as its factorization.

7640053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 7640053 is about 2764.0645795639. The cubic root of 7640053 is about 196.9542955290.

The spelling of 7640053 in words is "seven million, six hundred forty thousand, fifty-three".