213457003 has 2 divisors, whose sum is σ = 213457004. Its totient is φ = 213457002.

The previous prime is 213456983. The next prime is 213457061. The reversal of 213457003 is 300754312.

213457003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213457003 - 2²¹ = 211359851 is a prime.

It is not a weakly prime, because it can be changed into another prime (213457703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106728501 + 106728502.

It is an arithmetic number, because the mean of its divisors is an integer number (106728502).

Almost surely, 2^213457003 is an apocalyptic number.

213457003 is a deficient number, since it is larger than the sum of its proper divisors (1).

213457003 is an equidigital number, since it uses as much as digits as its factorization.

213457003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 213457003 is about 14610.1677950666. The cubic root of 213457003 is about 597.6360717853.

The spelling of 213457003 in words is "two hundred thirteen million, four hundred fifty-seven thousand, three".