2537522 has 16 divisors (see below), whose sum is σ = 4340952. Its totient is φ = 1102080.

The previous prime is 2537503. The next prime is 2537527. The reversal of 2537522 is 2257352.

It can be written as a sum of positive squares in 4 ways, for example, as 2076481 + 461041 = 1441^2 + 679^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a d-powerful number, because it can be written as 2² + 5² + 3¹⁰ + 7 + 5⁹ + 2¹⁰ + 2¹⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 2537491 and 2537500.

It is not an unprimeable number, because it can be changed into a prime (2537527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429 + ... + 3312.

2^2537522 is an apocalyptic number.

2537522 is a deficient number, since it is larger than the sum of its proper divisors (1803430).

2537522 is a wasteful number, since it uses less digits than its factorization.

2537522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773.

The product of its digits is 4200, while the sum is 26.

The square root of 2537522 is about 1592.9601376055. The cubic root of 2537522 is about 136.3965143888.

The spelling of 2537522 in words is "two million, five hundred thirty-seven thousand, five hundred twenty-two".