2553634 has 4 divisors (see below), whose sum is σ = 3830454. Its totient is φ = 1276816.

The previous prime is 2553631. The next prime is 2553637. The reversal of 2553634 is 4363552.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2553631) and next prime (2553637).

It can be written as a sum of positive squares in only one way, i.e., 1968409 + 585225 = 1403^2 + 765^2 .

It is a d-powerful number, because it can be written as 2⁷ + 5⁵ + 5⁹ + 3⁵ + 6² + 3¹² + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (2553631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638407 + ... + 638410.

2^2553634 is an apocalyptic number.

2553634 is a deficient number, since it is larger than the sum of its proper divisors (1276820).

2553634 is a wasteful number, since it uses less digits than its factorization.

2553634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276819.

The product of its digits is 10800, while the sum is 28.

The square root of 2553634 is about 1598.0093867058. The cubic root of 2553634 is about 136.6845888321.

The spelling of 2553634 in words is "two million, five hundred fifty-three thousand, six hundred thirty-four".