245430001 has 4 divisors (see below), whose sum is σ = 245466612. Its totient is φ = 245393392.

The previous prime is 245429999. The next prime is 245430019. The reversal of 245430001 is 100034542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100034542 = 2 ⋅50017271.

It can be written as a sum of positive squares in 2 ways, for example, as 219010401 + 26419600 = 14799^2 + 5140^2 .

It is a cyclic number.

It is not a de Polignac number, because 245430001 - 2¹ = 245429999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245430041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050 + ... + 22723.

It is an arithmetic number, because the mean of its divisors is an integer number (61366653).

Almost surely, 2^245430001 is an apocalyptic number.

It is an amenable number.

245430001 is a deficient number, since it is larger than the sum of its proper divisors (36611).

245430001 is an equidigital number, since it uses as much as digits as its factorization.

245430001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36610.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 245430001 is about 15666.2056988921. The cubic root of 245430001 is about 626.0983362414.

Adding to 245430001 its reverse (100034542), we get a palindrome (345464543).

The spelling of 245430001 in words is "two hundred forty-five million, four hundred thirty thousand, one".