2007453661 has 2 divisors, whose sum is σ = 2007453662. Its totient is φ = 2007453660.

The previous prime is 2007453641. The next prime is 2007453671. The reversal of 2007453661 is 1663547002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1342123225 + 665330436 = 36635^2 + 25794^2 .

It is a cyclic number.

It is not a de Polignac number, because 2007453661 - 2⁷ = 2007453533 is a prime.

It is a super-3 number, since 3×2007453661³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2007453601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003726830 + 1003726831.

It is an arithmetic number, because the mean of its divisors is an integer number (1003726831).

Almost surely, 2^2007453661 is an apocalyptic number.

It is an amenable number.

2007453661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2007453661 is an equidigital number, since it uses as much as digits as its factorization.

2007453661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2007453661 is about 44804.6165143727. The cubic root of 2007453661 is about 1261.4842802674.

The spelling of 2007453661 in words is "two billion, seven million, four hundred fifty-three thousand, six hundred sixty-one".