245429999 has 2 divisors, whose sum is σ = 245430000. Its totient is φ = 245429998.

The previous prime is 245429971. The next prime is 245430019. The reversal of 245429999 is 999924542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245429999 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245429999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245420999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122714999 + 122715000.

It is an arithmetic number, because the mean of its divisors is an integer number (122715000).

Almost surely, 2^245429999 is an apocalyptic number.

245429999 is a deficient number, since it is larger than the sum of its proper divisors (1).

245429999 is an equidigital number, since it uses as much as digits as its factorization.

245429999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 53.

The square root of 245429999 is about 15666.2056350605. The cubic root of 245429999 is about 626.0983345407.

The spelling of 245429999 in words is "two hundred forty-five million, four hundred twenty-nine thousand, nine hundred ninety-nine".