45503897 has 2 divisors, whose sum is σ = 45503898. Its totient is φ = 45503896.

The previous prime is 45503873. The next prime is 45503911. The reversal of 45503897 is 79830554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32137561 + 13366336 = 5669^2 + 3656^2 .

It is a cyclic number.

It is not a de Polignac number, because 45503897 - 2⁸ = 45503641 is a prime.

It is not a weakly prime, because it can be changed into another prime (45503597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22751948 + 22751949.

It is an arithmetic number, because the mean of its divisors is an integer number (22751949).

Almost surely, 2^45503897 is an apocalyptic number.

It is an amenable number.

45503897 is a deficient number, since it is larger than the sum of its proper divisors (1).

45503897 is an equidigital number, since it uses as much as digits as its factorization.

45503897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 45503897 is about 6745.6576402898. The cubic root of 45503897 is about 357.0120410117.

The spelling of 45503897 in words is "forty-five million, five hundred three thousand, eight hundred ninety-seven".