2552985 has 16 divisors (see below), whose sum is σ = 4538880. Its totient is φ = 1361520.

The previous prime is 2552983. The next prime is 2552987. The reversal of 2552985 is 5892552.

2552985 = 36² + 37² + ... + 197².

It is an interprime number because it is at equal distance from previous prime (2552983) and next prime (2552987).

It is not a de Polignac number, because 2552985 - 2¹ = 2552983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2552983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9321 + ... + 9590.

It is an arithmetic number, because the mean of its divisors is an integer number (283680).

2^2552985 is an apocalyptic number.

It is an amenable number.

2552985 is a deficient number, since it is larger than the sum of its proper divisors (1985895).

2552985 is a wasteful number, since it uses less digits than its factorization.

2552985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18925 (or 18919 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 2552985 is about 1597.8063086620. The cubic root of 2552985 is about 136.6730084968.

It can be divided in two parts, 255 and 2985, that added together give a triangular number (3240 = T₈₀).

The spelling of 2552985 in words is "two million, five hundred fifty-two thousand, nine hundred eighty-five".