2451546 has 40 divisors (see below), whose sum is σ = 5655540. Its totient is φ = 793152.

The previous prime is 2451541. The next prime is 2451557. The reversal of 2451546 is 6451542.

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 505521 = 1395^2 + 711^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2451541) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5790 + ... + 6198.

2^2451546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2451546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2827770).

2451546 is an abundant number, since it is smaller than the sum of its proper divisors (3203994).

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

2451546 is a wasteful number, since it uses less digits than its factorization.

2451546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 451 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2451546 is about 1565.7413579516. The cubic root of 2451546 is about 134.8383249750.

The spelling of 2451546 in words is "two million, four hundred fifty-one thousand, five hundred forty-six".