2545477 has 12 divisors (see below), whose sum is σ = 2838220. Its totient is φ = 2280960.

The previous prime is 2545453. The next prime is 2545481. The reversal of 2545477 is 7745452.

It can be written as a sum of positive squares in 2 ways, for example, as 1185921 + 1359556 = 1089^2 + 1166^2 .

It is not a de Polignac number, because 2545477 - 2¹⁵ = 2512709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13093 + ... + 13285.

2^2545477 is an apocalyptic number.

It is an amenable number.

2545477 is a deficient number, since it is larger than the sum of its proper divisors (292743).

2545477 is a wasteful number, since it uses less digits than its factorization.

2545477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 313 counting only the distinct ones).

The product of its digits is 39200, while the sum is 34.

The square root of 2545477 is about 1595.4551074850. The cubic root of 2545477 is about 136.5388977061.

The spelling of 2545477 in words is "two million, five hundred forty-five thousand, four hundred seventy-seven".