2525977 has 4 divisors (see below), whose sum is σ = 2552116. Its totient is φ = 2499840.

The previous prime is 2525959. The next prime is 2525981. The reversal of 2525977 is 7795252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1838736 + 687241 = 1356^2 + 829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2525977 is a prime.

It is a Duffinian number.

2525977 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2525177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12924 + ... + 13117.

It is an arithmetic number, because the mean of its divisors is an integer number (638029).

2^2525977 is an apocalyptic number.

It is an amenable number.

2525977 is a deficient number, since it is larger than the sum of its proper divisors (26139).

2525977 is an equidigital number, since it uses as much as digits as its factorization.

2525977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26138.

The product of its digits is 44100, while the sum is 37.

The square root of 2525977 is about 1589.3322497200. The cubic root of 2525977 is about 136.1893448280.

The spelling of 2525977 in words is "two million, five hundred twenty-five thousand, nine hundred seventy-seven".