245542603 has 2 divisors, whose sum is σ = 245542604. Its totient is φ = 245542602.

The previous prime is 245542589. The next prime is 245542639. The reversal of 245542603 is 306245542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245542603 - 2¹³ = 245534411 is a prime.

It is not a weakly prime, because it can be changed into another prime (245542663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122771301 + 122771302.

It is an arithmetic number, because the mean of its divisors is an integer number (122771302).

Almost surely, 2^245542603 is an apocalyptic number.

245542603 is a deficient number, since it is larger than the sum of its proper divisors (1).

245542603 is an equidigital number, since it uses as much as digits as its factorization.

245542603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 245542603 is about 15669.7990733768. The cubic root of 245542603 is about 626.1940718152.

The spelling of 245542603 in words is "two hundred forty-five million, five hundred forty-two thousand, six hundred three".