245474407 has 4 divisors (see below), whose sum is σ = 259914096. Its totient is φ = 231034720.

The previous prime is 245474389. The next prime is 245474413. The reversal of 245474407 is 704474542.

245474407 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245474407 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 (245474447) 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, 7219819 + ... + 7219852.

It is an arithmetic number, because the mean of its divisors is an integer number (64978524).

Almost surely, 2^245474407 is an apocalyptic number.

245474407 is a deficient number, since it is larger than the sum of its proper divisors (14439689).

245474407 is a wasteful number, since it uses less digits than its factorization.

245474407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14439688.

The product of its (nonzero) digits is 125440, while the sum is 37.

The square root of 245474407 is about 15667.6228892580. The cubic root of 245474407 is about 626.1360942525.

The spelling of 245474407 in words is "two hundred forty-five million, four hundred seventy-four thousand, four hundred seven".