245225403 has 12 divisors (see below), whose sum is σ = 356015088. Its totient is φ = 162652560.

The previous prime is 245225389. The next prime is 245225413. The reversal of 245225403 is 304522542.

It is a happy number.

It is not a de Polignac number, because 245225403 - 2⁶ = 245225339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245225413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67383 + ... + 70928.

It is an arithmetic number, because the mean of its divisors is an integer number (29667924).

Almost surely, 2^245225403 is an apocalyptic number.

245225403 is a deficient number, since it is larger than the sum of its proper divisors (110789685).

245225403 is a wasteful number, since it uses less digits than its factorization.

245225403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138514 (or 138511 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 245225403 is about 15659.6744219029. The cubic root of 245225403 is about 625.9243095956.

Adding to 245225403 its reverse (304522542), we get a palindrome (549747945).

The spelling of 245225403 in words is "two hundred forty-five million, two hundred twenty-five thousand, four hundred three".