1673262061 has 4 divisors (see below), whose sum is σ = 1673343900. Its totient is φ = 1673180224.

The previous prime is 1673262049. The next prime is 1673262079. The reversal of 1673262061 is 1602623761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 808549225 + 864712836 = 28435^2 + 29406^2 .

It is a cyclic number.

It is not a de Polignac number, because 1673262061 - 2²¹ = 1671164909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673262001) 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, 18885 + ... + 60853.

It is an arithmetic number, because the mean of its divisors is an integer number (418335975).

Almost surely, 2^1673262061 is an apocalyptic number.

It is an amenable number.

1673262061 is a deficient number, since it is larger than the sum of its proper divisors (81839).

1673262061 is an equidigital number, since it uses as much as digits as its factorization.

1673262061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81838.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1673262061 is about 40905.5260447779. The cubic root of 1673262061 is about 1187.1929839883.

The spelling of 1673262061 in words is "one billion, six hundred seventy-three million, two hundred sixty-two thousand, sixty-one".