1535452465 has 4 divisors (see below), whose sum is σ = 1842542964. Its totient is φ = 1228361968.

The previous prime is 1535452463. The next prime is 1535452481. The reversal of 1535452465 is 5642545351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5642545351 = 557 ⋅10130243.

It can be written as a sum of positive squares in 2 ways, for example, as 1140277824 + 395174641 = 33768^2 + 19879^2 .

It is a cyclic number.

It is not a de Polignac number, because 1535452465 - 2¹ = 1535452463 is a prime.

It is a super-2 number, since 2×1535452465² = 4715228544549152450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1535452463) 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, 153545242 + ... + 153545251.

It is an arithmetic number, because the mean of its divisors is an integer number (460635741).

Almost surely, 2^1535452465 is an apocalyptic number.

It is an amenable number.

1535452465 is a deficient number, since it is larger than the sum of its proper divisors (307090499).

1535452465 is an equidigital number, since it uses as much as digits as its factorization.

1535452465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307090498.

The product of its digits is 360000, while the sum is 40.

The square root of 1535452465 is about 39184.8499422927. The cubic root of 1535452465 is about 1153.6625423624.

The spelling of 1535452465 in words is "one billion, five hundred thirty-five million, four hundred fifty-two thousand, four hundred sixty-five".