45396973 has 2 divisors, whose sum is σ = 45396974. Its totient is φ = 45396972.

The previous prime is 45396943. The next prime is 45396979. The reversal of 45396973 is 37969354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30327049 + 15069924 = 5507^2 + 3882^2 .

It is a cyclic number.

It is not a de Polignac number, because 45396973 - 2¹³ = 45388781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45396979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22698486 + 22698487.

It is an arithmetic number, because the mean of its divisors is an integer number (22698487).

Almost surely, 2^45396973 is an apocalyptic number.

It is an amenable number.

45396973 is a deficient number, since it is larger than the sum of its proper divisors (1).

45396973 is an equidigital number, since it uses as much as digits as its factorization.

45396973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 46.

The square root of 45396973 is about 6737.7275842824. The cubic root of 45396973 is about 356.7321888339.

The spelling of 45396973 in words is "forty-five million, three hundred ninety-six thousand, nine hundred seventy-three".