1325062421 has 4 divisors (see below), whose sum is σ = 1343725344. Its totient is φ = 1306399500.

The previous prime is 1325062373. The next prime is 1325062423. The reversal of 1325062421 is 1242605231.

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 a de Polignac number, because none of the positive numbers 2^k-1325062421 is a prime.

It is a super-3 number, since 3×1325062421³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325062423) 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, 9331355 + ... + 9331496.

It is an arithmetic number, because the mean of its divisors is an integer number (335931336).

Almost surely, 2^1325062421 is an apocalyptic number.

It is an amenable number.

1325062421 is a deficient number, since it is larger than the sum of its proper divisors (18662923).

1325062421 is an equidigital number, since it uses as much as digits as its factorization.

1325062421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18662922.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1325062421 is about 36401.4068546808. The cubic root of 1325062421 is about 1098.3618649838.

Adding to 1325062421 its reverse (1242605231), we get a palindrome (2567667652).

The spelling of 1325062421 in words is "one billion, three hundred twenty-five million, sixty-two thousand, four hundred twenty-one".