245413997 has 4 divisors (see below), whose sum is σ = 245494656. Its totient is φ = 245333340.

The previous prime is 245413957. The next prime is 245414021. The reversal of 245413997 is 799314542.

245413997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 245413997 - 2¹⁴ = 245397613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245413957) 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, 35579 + ... + 41912.

It is an arithmetic number, because the mean of its divisors is an integer number (61373664).

Almost surely, 2^245413997 is an apocalyptic number.

It is an amenable number.

245413997 is a deficient number, since it is larger than the sum of its proper divisors (80659).

245413997 is an equidigital number, since it uses as much as digits as its factorization.

245413997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80658.

The product of its digits is 272160, while the sum is 44.

The square root of 245413997 is about 15665.6949095787. The cubic root of 245413997 is about 626.0847270717.

The spelling of 245413997 in words is "two hundred forty-five million, four hundred thirteen thousand, nine hundred ninety-seven".