2547461 has 10 divisors (see below), whose sum is σ = 2974662. Its totient is φ = 2181480.

The previous prime is 2547451. The next prime is 2547469. The reversal of 2547461 is 1647452.

It can be written as a sum of positive squares in only one way, i.e., 2307361 + 240100 = 1519^2 + 490^2 .

It is not a de Polignac number, because 2547461 - 2⁶ = 2547397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547469) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1871 + ... + 2931.

2^2547461 is an apocalyptic number.

It is an amenable number.

2547461 is a deficient number, since it is larger than the sum of its proper divisors (427201).

2547461 is an frugal number, since it uses more digits than its factorization.

2547461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1068 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 2547461 is about 1596.0767525404. The cubic root of 2547461 is about 136.5743622868.

Subtracting from 2547461 its reverse (1647452), we obtain a palindrome (900009).

The spelling of 2547461 in words is "two million, five hundred forty-seven thousand, four hundred sixty-one".