45253081 has 2 divisors, whose sum is σ = 45253082. Its totient is φ = 45253080.

The previous prime is 45253069. The next prime is 45253111. The reversal of 45253081 is 18035254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41718681 + 3534400 = 6459^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 45253081 - 2⁷ = 45252953 is a prime.

It is a super-2 number, since 2×45253081² = 4095682679985122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45253001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22626540 + 22626541.

It is an arithmetic number, because the mean of its divisors is an integer number (22626541).

Almost surely, 2^45253081 is an apocalyptic number.

It is an amenable number.

45253081 is a deficient number, since it is larger than the sum of its proper divisors (1).

45253081 is an equidigital number, since it uses as much as digits as its factorization.

45253081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 45253081 is about 6727.0410285652. The cubic root of 45253081 is about 356.3548858707.

The spelling of 45253081 in words is "forty-five million, two hundred fifty-three thousand, eighty-one".