2547897475 has 12 divisors (see below), whose sum is σ = 3161282040. Its totient is φ = 2037099200.

The previous prime is 2547897437. The next prime is 2547897479. The reversal of 2547897475 is 5747987452.

It is a de Polignac number, because none of the positive numbers 2^k-2547897475 is a prime.

It is a super-2 number, since 2×2547897475² = 12983563086222751250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2547897479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13416 + ... + 72634.

It is an arithmetic number, because the mean of its divisors is an integer number (263440170).

Almost surely, 2^2547897475 is an apocalyptic number.

2547897475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2547897475 is a deficient number, since it is larger than the sum of its proper divisors (613384565).

2547897475 is a wasteful number, since it uses less digits than its factorization.

2547897475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60950 (or 60945 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 58.

The square root of 2547897475 is about 50476.7022991796. The cubic root of 2547897475 is about 1365.8216193395.

The spelling of 2547897475 in words is "two billion, five hundred forty-seven million, eight hundred ninety-seven thousand, four hundred seventy-five".