2497280347 has 4 divisors (see below), whose sum is σ = 2534553256. Its totient is φ = 2460007440.

The previous prime is 2497280327. The next prime is 2497280353. The reversal of 2497280347 is 7430827942.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2497280347 - 2²³ = 2488891739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2497280297 and 2497280306.

It is not an unprimeable number, because it can be changed into a prime (2497280327) 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, 18636354 + ... + 18636487.

It is an arithmetic number, because the mean of its divisors is an integer number (633638314).

Almost surely, 2^2497280347 is an apocalyptic number.

2497280347 is a deficient number, since it is larger than the sum of its proper divisors (37272909).

2497280347 is an equidigital number, since it uses as much as digits as its factorization.

2497280347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37272908.

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 2497280347 is about 49972.7960694616. The cubic root of 2497280347 is about 1356.7164781244.

The spelling of 2497280347 in words is "two billion, four hundred ninety-seven million, two hundred eighty thousand, three hundred forty-seven".