7346542521 has 8 divisors (see below), whose sum is σ = 9826291584. Its totient is φ = 4882244240.

The previous prime is 7346542517. The next prime is 7346542531. The reversal of 7346542521 is 1252456437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7346542521 - 2² = 7346542517 is a prime.

It is a super-2 number, since 2×7346542521² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7346542521.

It is not an unprimeable number, because it can be changed into a prime (7346542531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3861585 + ... + 3863486.

It is an arithmetic number, because the mean of its divisors is an integer number (1228286448).

Almost surely, 2^7346542521 is an apocalyptic number.

It is an amenable number.

7346542521 is a deficient number, since it is larger than the sum of its proper divisors (2479749063).

7346542521 is a wasteful number, since it uses less digits than its factorization.

7346542521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7725391.

The product of its digits is 201600, while the sum is 39.

The square root of 7346542521 is about 85711.9741984747. The cubic root of 7346542521 is about 1943.9913680945.

Adding to 7346542521 its reverse (1252456437), we get a palindrome (8598998958).

The spelling of 7346542521 in words is "seven billion, three hundred forty-six million, five hundred forty-two thousand, five hundred twenty-one".