909452653 has 2 divisors, whose sum is σ = 909452654. Its totient is φ = 909452652.

The previous prime is 909452633. The next prime is 909452657. The reversal of 909452653 is 356254909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603832329 + 305620324 = 24573^2 + 17482^2 .

It is an emirp because it is prime and its reverse (356254909) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-909452653 is a prime.

It is equal to p_46467934 and since 909452653 and 46467934 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (909452657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454726326 + 454726327.

It is an arithmetic number, because the mean of its divisors is an integer number (454726327).

Almost surely, 2^909452653 is an apocalyptic number.

It is an amenable number.

909452653 is a deficient number, since it is larger than the sum of its proper divisors (1).

909452653 is an equidigital number, since it uses as much as digits as its factorization.

909452653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 909452653 is about 30157.1327052159. The cubic root of 909452653 is about 968.8577808184.

The spelling of 909452653 in words is "nine hundred nine million, four hundred fifty-two thousand, six hundred fifty-three".