2501253740 has 24 divisors (see below), whose sum is σ = 5292734832. Its totient is φ = 992863040.

The previous prime is 2501253739. The next prime is 2501253743. The reversal of 2501253740 is 473521052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2501253743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474719 + ... + 479958.

It is an arithmetic number, because the mean of its divisors is an integer number (220530618).

Almost surely, 2^2501253740 is an apocalyptic number.

2501253740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2501253740 is an abundant number, since it is smaller than the sum of its proper divisors (2791481092).

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

2501253740 is a wasteful number, since it uses less digits than its factorization.

2501253740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954817 (or 954815 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2501253740 is about 50012.5358285300. The cubic root of 2501253740 is about 1357.4356486447.

Adding to 2501253740 its reverse (473521052), we get a palindrome (2974774792).

The spelling of 2501253740 in words is "two billion, five hundred one million, two hundred fifty-three thousand, seven hundred forty".