245742001 has 4 divisors (see below), whose sum is σ = 248702832. Its totient is φ = 242781172.

The previous prime is 245741957. The next prime is 245742019. The reversal of 245742001 is 100247542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245742001 - 2²³ = 237353393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245742041) 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, 1480291 + ... + 1480456.

It is an arithmetic number, because the mean of its divisors is an integer number (62175708).

Almost surely, 2^245742001 is an apocalyptic number.

It is an amenable number.

245742001 is a deficient number, since it is larger than the sum of its proper divisors (2960831).

245742001 is an equidigital number, since it uses as much as digits as its factorization.

245742001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960830.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 245742001 is about 15676.1602760370. The cubic root of 245742001 is about 626.3635306116.

Adding to 245742001 its reverse (100247542), we get a palindrome (345989543).

The spelling of 245742001 in words is "two hundred forty-five million, seven hundred forty-two thousand, one".