537492881 has 4 divisors (see below), whose sum is σ = 565782000. Its totient is φ = 509203764.

The previous prime is 537492877. The next prime is 537492889. The reversal of 537492881 is 188294735.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 537492881 - 2² = 537492877 is a prime.

It is a super-2 number, since 2×537492881² = 577797194251360322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (537492889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14144531 + ... + 14144568.

It is an arithmetic number, because the mean of its divisors is an integer number (141445500).

Almost surely, 2^537492881 is an apocalyptic number.

It is an amenable number.

537492881 is a deficient number, since it is larger than the sum of its proper divisors (28289119).

537492881 is a wasteful number, since it uses less digits than its factorization.

537492881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28289118.

The product of its digits is 483840, while the sum is 47.

The square root of 537492881 is about 23183.8927059284. The cubic root of 537492881 is about 813.0630762289.

The spelling of 537492881 in words is "five hundred thirty-seven million, four hundred ninety-two thousand, eight hundred eighty-one".