245327247 has 24 divisors (see below), whose sum is σ = 387174528. Its totient is φ = 148453200.

The previous prime is 245327239. The next prime is 245327249. The reversal of 245327247 is 742723542.

It is a happy number.

It is not a de Polignac number, because 245327247 - 2³ = 245327239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245327249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79972 + ... + 82982.

It is an arithmetic number, because the mean of its divisors is an integer number (16132272).

Almost surely, 2^245327247 is an apocalyptic number.

245327247 is a deficient number, since it is larger than the sum of its proper divisors (141847281).

245327247 is a wasteful number, since it uses less digits than its factorization.

245327247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851 (or 3848 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 245327247 is about 15662.9258760935. The cubic root of 245327247 is about 626.0109479996.

The spelling of 245327247 in words is "two hundred forty-five million, three hundred twenty-seven thousand, two hundred forty-seven".