245620003 has 2 divisors, whose sum is σ = 245620004. Its totient is φ = 245620002.

The previous prime is 245619953. The next prime is 245620019. The reversal of 245620003 is 300026542.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245620003 is a prime.

It is not a weakly prime, because it can be changed into another prime (245620033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122810001 + 122810002.

It is an arithmetic number, because the mean of its divisors is an integer number (122810002).

Almost surely, 2^245620003 is an apocalyptic number.

245620003 is a deficient number, since it is larger than the sum of its proper divisors (1).

245620003 is an equidigital number, since it uses as much as digits as its factorization.

245620003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 245620003 is about 15672.2685977493. The cubic root of 245620003 is about 626.2598612530.

Adding to 245620003 its reverse (300026542), we get a palindrome (545646545).

The spelling of 245620003 in words is "two hundred forty-five million, six hundred twenty thousand, three".