1306425373 has 4 divisors (see below), whose sum is σ = 1425191328. Its totient is φ = 1187659420.

The previous prime is 1306425317. The next prime is 1306425383. The reversal of 1306425373 is 3735246031.

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 1306425373 - 2²⁵ = 1272870941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306425383) 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, 59382961 + ... + 59382982.

It is an arithmetic number, because the mean of its divisors is an integer number (356297832).

Almost surely, 2^1306425373 is an apocalyptic number.

It is an amenable number.

1306425373 is a deficient number, since it is larger than the sum of its proper divisors (118765955).

1306425373 is a wasteful number, since it uses less digits than its factorization.

1306425373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118765954.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 1306425373 is about 36144.5068163891. The cubic root of 1306425373 is about 1093.1880329312.

The spelling of 1306425373 in words is "one billion, three hundred six million, four hundred twenty-five thousand, three hundred seventy-three".