45903391 has 2 divisors, whose sum is σ = 45903392. Its totient is φ = 45903390.

The previous prime is 45903379. The next prime is 45903401. The reversal of 45903391 is 19330954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45903391 - 2⁵ = 45903359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45903371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22951695 + 22951696.

It is an arithmetic number, because the mean of its divisors is an integer number (22951696).

Almost surely, 2^45903391 is an apocalyptic number.

45903391 is a deficient number, since it is larger than the sum of its proper divisors (1).

45903391 is an equidigital number, since it uses as much as digits as its factorization.

45903391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 45903391 is about 6775.2041297661. The cubic root of 45903391 is about 358.0537745757.

The spelling of 45903391 in words is "forty-five million, nine hundred three thousand, three hundred ninety-one".