2525245511 has 4 divisors (see below), whose sum is σ = 2526157632. Its totient is φ = 2524333392.

The previous prime is 2525245493. The next prime is 2525245519. The reversal of 2525245511 is 1155425252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2525245511 - 2⁶ = 2525245447 is a prime.

It is a super-2 number, since 2×2525245511² = 12753729781651302242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525245519) 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, 451895 + ... + 457448.

It is an arithmetic number, because the mean of its divisors is an integer number (631539408).

Almost surely, 2^2525245511 is an apocalyptic number.

2525245511 is a deficient number, since it is larger than the sum of its proper divisors (912121).

2525245511 is an equidigital number, since it uses as much as digits as its factorization.

2525245511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912120.

The product of its digits is 20000, while the sum is 32.

The square root of 2525245511 is about 50251.8209719807. The cubic root of 2525245511 is about 1361.7619735731.

The spelling of 2525245511 in words is "two billion, five hundred twenty-five million, two hundred forty-five thousand, five hundred eleven".