537320465 has 12 divisors (see below), whose sum is σ = 708730932. Its totient is φ = 390778080.

The previous prime is 537320447. The next prime is 537320471. The reversal of 537320465 is 564023735.

It can be written as a sum of positive squares in 2 ways, for example, as 283619281 + 253701184 = 16841^2 + 15928^2 .

It is not a de Polignac number, because 537320465 - 2¹⁰ = 537319441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 443462 + ... + 444671.

It is an arithmetic number, because the mean of its divisors is an integer number (59060911).

Almost surely, 2^537320465 is an apocalyptic number.

537320465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

537320465 is a deficient number, since it is larger than the sum of its proper divisors (171410467).

537320465 is a wasteful number, since it uses less digits than its factorization.

537320465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888160 (or 888149 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 537320465 is about 23180.1739639719. The cubic root of 537320465 is about 812.9761292941.

The spelling of 537320465 in words is "five hundred thirty-seven million, three hundred twenty thousand, four hundred sixty-five".