2045245001 has 2 divisors, whose sum is σ = 2045245002. Its totient is φ = 2045245000.

The previous prime is 2045244979. The next prime is 2045245067. The reversal of 2045245001 is 1005425402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2043492025 + 1752976 = 45205^2 + 1324^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045245001 - 2⁶ = 2045244937 is a prime.

It is a super-2 number, since 2×2045245001² = 8366054228230980002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2045245201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022622500 + 1022622501.

It is an arithmetic number, because the mean of its divisors is an integer number (1022622501).

Almost surely, 2^2045245001 is an apocalyptic number.

It is an amenable number.

2045245001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045245001 is an equidigital number, since it uses as much as digits as its factorization.

2045245001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2045245001 is about 45224.3850262223. The cubic root of 2045245001 is about 1269.3511474624.

The spelling of 2045245001 in words is "two billion, forty-five million, two hundred forty-five thousand, one".