2495780 has 24 divisors (see below), whose sum is σ = 5990208. Its totient is φ = 855648.

The previous prime is 2495771. The next prime is 2495789. The reversal of 2495780 is 875942.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2495771) and next prime (2495789).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2495780.

It is not an unprimeable number, because it can be changed into a prime (2495789) 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, 8774 + ... + 9053.

It is an arithmetic number, because the mean of its divisors is an integer number (249592).

2^2495780 is an apocalyptic number.

2495780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2495780 is an abundant number, since it is smaller than the sum of its proper divisors (3494428).

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

2495780 is a wasteful number, since it uses less digits than its factorization.

2495780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17843 (or 17841 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2495780 is about 1579.8037852847. The cubic root of 2495780 is about 135.6444722054.

The spelling of 2495780 in words is "two million, four hundred ninety-five thousand, seven hundred eighty".