1452513541 has 4 divisors (see below), whose sum is σ = 1537955532. Its totient is φ = 1367071552.

The previous prime is 1452513511. The next prime is 1452513547. The reversal of 1452513541 is 1453152541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 833996641 + 618516900 = 28879^2 + 24870^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452513541 - 2⁵ = 1452513509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452513547) 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, 42720970 + ... + 42721003.

It is an arithmetic number, because the mean of its divisors is an integer number (384488883).

Almost surely, 2^1452513541 is an apocalyptic number.

It is an amenable number.

1452513541 is a deficient number, since it is larger than the sum of its proper divisors (85441991).

1452513541 is an equidigital number, since it uses as much as digits as its factorization.

1452513541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85441990.

The product of its digits is 12000, while the sum is 31.

The square root of 1452513541 is about 38111.8556488660. The cubic root of 1452513541 is about 1132.5048309241.

The spelling of 1452513541 in words is "one billion, four hundred fifty-two million, five hundred thirteen thousand, five hundred forty-one".