2197525 has 24 divisors (see below), whose sum is σ = 3044448. Its totient is φ = 1560000.

The previous prime is 2197523. The next prime is 2197537. The reversal of 2197525 is 5257912.

It is not a de Polignac number, because 2197525 - 2¹ = 2197523 is a prime.

It is a super-2 number, since 2×2197525² = 9658232251250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16710 + ... + 16840.

It is an arithmetic number, because the mean of its divisors is an integer number (126852).

2^2197525 is an apocalyptic number.

2197525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2197525 is a deficient number, since it is larger than the sum of its proper divisors (846923).

2197525 is a wasteful number, since it uses less digits than its factorization.

2197525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 208 counting only the distinct ones).

The product of its digits is 6300, while the sum is 31.

The square root of 2197525 is about 1482.4051403041. The cubic root of 2197525 is about 130.0103542049.

It can be divided in two parts, 219 and 7525, that added together give a square (7744 = 88²).

The spelling of 2197525 in words is "two million, one hundred ninety-seven thousand, five hundred twenty-five".