742325411521 has 2 divisors, whose sum is σ = 742325411522. Its totient is φ = 742325411520.

The previous prime is 742325411461. The next prime is 742325411537. The reversal of 742325411521 is 125114523247.

742325411521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412574982400 + 329750429121 = 642320^2 + 574239^2 .

It is a cyclic number.

It is not a de Polignac number, because 742325411521 - 2¹¹ = 742325409473 is a prime.

It is not a weakly prime, because it can be changed into another prime (742325411561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371162705760 + 371162705761.

It is an arithmetic number, because the mean of its divisors is an integer number (371162705761).

Almost surely, 2^742325411521 is an apocalyptic number.

It is an amenable number.

742325411521 is a deficient number, since it is larger than the sum of its proper divisors (1).

742325411521 is an equidigital number, since it uses as much as digits as its factorization.

742325411521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 37.

Adding to 742325411521 its reverse (125114523247), we get a palindrome (867439934768).

The spelling of 742325411521 in words is "seven hundred forty-two billion, three hundred twenty-five million, four hundred eleven thousand, five hundred twenty-one".