2497747725 has 48 divisors (see below), whose sum is σ = 5005602240. Its totient is φ = 1211025600.

The previous prime is 2497747723. The next prime is 2497747727. The reversal of 2497747725 is 5277477942.

It is an interprime number because it is at equal distance from previous prime (2497747723) and next prime (2497747727).

It is not a de Polignac number, because 2497747725 - 2¹ = 2497747723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497747723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160774 + ... + 175623.

It is an arithmetic number, because the mean of its divisors is an integer number (104283380).

Almost surely, 2^2497747725 is an apocalyptic number.

2497747725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2497747725 is an abundant number, since it is smaller than the sum of its proper divisors (2507854515).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2497747725 is a wasteful number, since it uses less digits than its factorization.

2497747725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336427 (or 336416 counting only the distinct ones).

The product of its digits is 6914880, while the sum is 54.

The square root of 2497747725 is about 49977.4721749710. The cubic root of 2497747725 is about 1356.8011115111.

The spelling of 2497747725 in words is "two billion, four hundred ninety-seven million, seven hundred forty-seven thousand, seven hundred twenty-five".