2002465561 has 2 divisors, whose sum is σ = 2002465562. Its totient is φ = 2002465560.

The previous prime is 2002465489. The next prime is 2002465589. The reversal of 2002465561 is 1655642002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1105163536 + 897302025 = 33244^2 + 29955^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002465561 - 2⁷ = 2002465433 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002466561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001232780 + 1001232781.

It is an arithmetic number, because the mean of its divisors is an integer number (1001232781).

Almost surely, 2^2002465561 is an apocalyptic number.

It is an amenable number.

2002465561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002465561 is an equidigital number, since it uses as much as digits as its factorization.

2002465561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2002465561 is about 44748.9168695735. The cubic root of 2002465561 is about 1260.4385726564.

The spelling of 2002465561 in words is "two billion, two million, four hundred sixty-five thousand, five hundred sixty-one".