2525749 has 2 divisors, whose sum is σ = 2525750. Its totient is φ = 2525748.

The previous prime is 2525729. The next prime is 2525753. The reversal of 2525749 is 9475252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1423249 + 1102500 = 1193^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525749 - 2⁵ = 2525717 is a prime.

It is a super-2 number, since 2×2525749² = 12758816022002, which contains 22 as substring.

2525749 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2525729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262874 + 1262875.

It is an arithmetic number, because the mean of its divisors is an integer number (1262875).

2^2525749 is an apocalyptic number.

It is an amenable number.

2525749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525749 is an equidigital number, since it uses as much as digits as its factorization.

2525749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The square root of 2525749 is about 1589.2605198645. The cubic root of 2525749 is about 136.1852471257.

The spelling of 2525749 in words is "two million, five hundred twenty-five thousand, seven hundred forty-nine".