65679453 has 18 divisors (see below), whose sum is σ = 110360094. Its totient is φ = 37530864.

The previous prime is 65679451. The next prime is 65679469. The reversal of 65679453 is 35497656.

It can be written as a sum of positive squares in only one way, i.e., 36324729 + 29354724 = 6027^2 + 5418^2 .

It is not a de Polignac number, because 65679453 - 2¹ = 65679451 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65679399 and 65679408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65679451) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 74026 + ... + 74907.

Almost surely, 2^65679453 is an apocalyptic number.

65679453 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

65679453 is a deficient number, since it is larger than the sum of its proper divisors (44680641).

65679453 is a wasteful number, since it uses less digits than its factorization.

65679453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148953 (or 148943 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 65679453 is about 8104.2860882375. The cubic root of 65679453 is about 403.4686938762.

The spelling of 65679453 in words is "sixty-five million, six hundred seventy-nine thousand, four hundred fifty-three".