45653987 has 2 divisors, whose sum is σ = 45653988. Its totient is φ = 45653986.

The previous prime is 45653963. The next prime is 45653999. The reversal of 45653987 is 78935654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45653987 - 2¹⁰ = 45652963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45656987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22826993 + 22826994.

It is an arithmetic number, because the mean of its divisors is an integer number (22826994).

Almost surely, 2^45653987 is an apocalyptic number.

45653987 is a deficient number, since it is larger than the sum of its proper divisors (1).

45653987 is an equidigital number, since it uses as much as digits as its factorization.

45653987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The square root of 45653987 is about 6756.7734163578. The cubic root of 45653987 is about 357.4041329332.

The spelling of 45653987 in words is "forty-five million, six hundred fifty-three thousand, nine hundred eighty-seven".