2555742 has 24 divisors (see below), whose sum is σ = 5946696. Its totient is φ = 730128.

The previous prime is 2555731. The next prime is 2555753. The reversal of 2555742 is 2475552.

It is an interprime number because it is at equal distance from previous prime (2555731) and next prime (2555753).

It is a d-powerful number, because it can be written as 2⁷ + 5 + 5⁷ + 5⁹ + 7 + 4³ + 2¹⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4053 + ... + 4640.

It is an arithmetic number, because the mean of its divisors is an integer number (247779).

2^2555742 is an apocalyptic number.

2555742 is an abundant number, since it is smaller than the sum of its proper divisors (3390954).

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

2555742 is a wasteful number, since it uses less digits than its factorization.

2555742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712 (or 8705 counting only the distinct ones).

The product of its digits is 14000, while the sum is 30.

The square root of 2555742 is about 1598.6688212385. The cubic root of 2555742 is about 136.7221890868.

The spelling of 2555742 in words is "two million, five hundred fifty-five thousand, seven hundred forty-two".