2553451 has 4 divisors (see below), whose sum is σ = 2703672. Its totient is φ = 2403232.

The previous prime is 2553433. The next prime is 2553457. The reversal of 2553451 is 1543552.

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

It is a cyclic number.

It is not a de Polignac number, because 2553451 - 2⁹ = 2552939 is a prime.

It is a super-2 number, since 2×2553451² = 13040224018802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75085 + ... + 75118.

It is an arithmetic number, because the mean of its divisors is an integer number (675918).

2^2553451 is an apocalyptic number.

2553451 is a deficient number, since it is larger than the sum of its proper divisors (150221).

2553451 is a wasteful number, since it uses less digits than its factorization.

2553451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150220.

The product of its digits is 3000, while the sum is 25.

The square root of 2553451 is about 1597.9521269425. The cubic root of 2553451 is about 136.6813236974.

It can be divided in two parts, 2553 and 451, that multiplied together give a triangular number (1151403 = T₁₅₁₇).

The spelling of 2553451 in words is "two million, five hundred fifty-three thousand, four hundred fifty-one".