1325740417 has 4 divisors (see below), whose sum is σ = 1326189616. Its totient is φ = 1325291220.

The previous prime is 1325740391. The next prime is 1325740469. The reversal of 1325740417 is 7140475231.

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 1325740417 - 2¹¹ = 1325738369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325740477) 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, 220143 + ... + 226084.

It is an arithmetic number, because the mean of its divisors is an integer number (331547404).

Almost surely, 2^1325740417 is an apocalyptic number.

It is an amenable number.

1325740417 is a deficient number, since it is larger than the sum of its proper divisors (449199).

1325740417 is an equidigital number, since it uses as much as digits as its factorization.

1325740417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449198.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 1325740417 is about 36410.7184356475. The cubic root of 1325740417 is about 1098.5491663426.

The spelling of 1325740417 in words is "one billion, three hundred twenty-five million, seven hundred forty thousand, four hundred seventeen".