903630947 has 2 divisors, whose sum is σ = 903630948. Its totient is φ = 903630946.

The previous prime is 903630863. The next prime is 903630953. The reversal of 903630947 is 749036309.

903630947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 903630947 - 2¹⁸ = 903368803 is a prime.

It is a super-2 number, since 2×903630947² = 1633097776752233618, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (903630967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451815473 + 451815474.

It is an arithmetic number, because the mean of its divisors is an integer number (451815474).

Almost surely, 2^903630947 is an apocalyptic number.

903630947 is a deficient number, since it is larger than the sum of its proper divisors (1).

903630947 is an equidigital number, since it uses as much as digits as its factorization.

903630947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 903630947 is about 30060.4548701446. The cubic root of 903630947 is about 966.7860279219.

The spelling of 903630947 in words is "nine hundred three million, six hundred thirty thousand, nine hundred forty-seven".