2545410 has 128 divisors (see below), whose sum is σ = 7962624. Its totient is φ = 506880.

The previous prime is 2545369. The next prime is 2545429. The reversal of 2545410 is 145452.

It is a super-2 number, since 2×2545410² = 12958224136200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82095 + ... + 82125.

It is an arithmetic number, because the mean of its divisors is an integer number (62208).

2^2545410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3981312).

2545410 is an abundant number, since it is smaller than the sum of its proper divisors (5417214).

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

2545410 is a wasteful number, since it uses less digits than its factorization.

2545410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2545410 is about 1595.4341102032. The cubic root of 2545410 is about 136.5376997399.

The spelling of 2545410 in words is "two million, five hundred forty-five thousand, four hundred ten".