537626249 has 2 divisors, whose sum is σ = 537626250. Its totient is φ = 537626248.

The previous prime is 537626213. The next prime is 537626263. The reversal of 537626249 is 942626735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489073225 + 48553024 = 22115^2 + 6968^2 .

It is a cyclic number.

It is not a de Polignac number, because 537626249 - 2¹⁶ = 537560713 is a prime.

It is a super-2 number, since 2×537626249² = 578083967227620002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (537626269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268813124 + 268813125.

It is an arithmetic number, because the mean of its divisors is an integer number (268813125).

Almost surely, 2^537626249 is an apocalyptic number.

It is an amenable number.

537626249 is a deficient number, since it is larger than the sum of its proper divisors (1).

537626249 is an equidigital number, since it uses as much as digits as its factorization.

537626249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 44.

The square root of 537626249 is about 23186.7688348334. The cubic root of 537626249 is about 813.1303190599.

The spelling of 537626249 in words is "five hundred thirty-seven million, six hundred twenty-six thousand, two hundred forty-nine".