90725903 has 2 divisors, whose sum is σ = 90725904. Its totient is φ = 90725902.

The previous prime is 90725897. The next prime is 90725911. The reversal of 90725903 is 30952709.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90725903 - 2¹⁴ = 90709519 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90725993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45362951 + 45362952.

It is an arithmetic number, because the mean of its divisors is an integer number (45362952).

Almost surely, 2^90725903 is an apocalyptic number.

90725903 is a deficient number, since it is larger than the sum of its proper divisors (1).

90725903 is an equidigital number, since it uses as much as digits as its factorization.

90725903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 90725903 is about 9525.0145931647. The cubic root of 90725903 is about 449.3420887920.

The spelling of 90725903 in words is "ninety million, seven hundred twenty-five thousand, nine hundred three".