2137522 has 4 divisors (see below), whose sum is σ = 3206286. Its totient is φ = 1068760.

The previous prime is 2137517. The next prime is 2137547. The reversal of 2137522 is 2257312.

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

It can be written as a sum of positive squares in only one way, i.e., 2042041 + 95481 = 1429^2 + 309^2 .

It is a d-powerful number, because it can be written as 2¹⁴ + 1 + 3¹³ + 7⁴ + 5³ + 2¹⁸ + 2¹⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2137493 and 2137502.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534379 + ... + 534382.

2^2137522 is an apocalyptic number.

2137522 is a deficient number, since it is larger than the sum of its proper divisors (1068764).

2137522 is a wasteful number, since it uses less digits than its factorization.

2137522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068763.

The product of its digits is 840, while the sum is 22.

The square root of 2137522 is about 1462.0266755432. The cubic root of 2137522 is about 128.8161152245.

The spelling of 2137522 in words is "two million, one hundred thirty-seven thousand, five hundred twenty-two".