2551534 has 8 divisors (see below), whose sum is σ = 3916440. Its totient is φ = 1246056.

The previous prime is 2551531. The next prime is 2551543. The reversal of 2551534 is 4351552.

2551534 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2551499 and 2551508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551531) 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, 14749 + ... + 14920.

It is an arithmetic number, because the mean of its divisors is an integer number (489555).

2^2551534 is an apocalyptic number.

2551534 is a deficient number, since it is larger than the sum of its proper divisors (1364906).

2551534 is a wasteful number, since it uses less digits than its factorization.

2551534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29714.

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

The square root of 2551534 is about 1597.3521840846. The cubic root of 2551534 is about 136.6471106925.

It can be divided in two parts, 255 and 1534, that multiplied together give a triangular number (391170 = T₈₈₄).

The spelling of 2551534 in words is "two million, five hundred fifty-one thousand, five hundred thirty-four".