537290 has 16 divisors (see below), whose sum is σ = 1041768. Its totient is φ = 198336.

The previous prime is 537287. The next prime is 537307. The reversal of 537290 is 92735.

It is a Cunningham number, because it is equal to 733²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 398161 + 139129 = 631^2 + 373^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937 + ... + 2196.

2⁵³⁷²⁹⁰ is an apocalyptic number.

537290 is a deficient number, since it is larger than the sum of its proper divisors (504478).

537290 is a wasteful number, since it uses less digits than its factorization.

537290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 537290 is about 733.0006821279. Note that the first 3 decimals coincide. The cubic root of 537290 is about 81.2960764295.

The spelling of 537290 in words is "five hundred thirty-seven thousand, two hundred ninety".