2545762 has 4 divisors (see below), whose sum is σ = 3818646. Its totient is φ = 1272880.

The previous prime is 2545759. The next prime is 2545769. The reversal of 2545762 is 2675452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2368521 + 177241 = 1539^2 + 421^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2545769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636439 + ... + 636442.

2^2545762 is an apocalyptic number.

2545762 is a deficient number, since it is larger than the sum of its proper divisors (1272884).

2545762 is a wasteful number, since it uses less digits than its factorization.

2545762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272883.

The product of its digits is 16800, while the sum is 31.

The square root of 2545762 is about 1595.5444211930. The cubic root of 2545762 is about 136.5439932977.

The spelling of 2545762 in words is "two million, five hundred forty-five thousand, seven hundred sixty-two".