452121511 has 16 divisors (see below), whose sum is σ = 525830400. Its totient is φ = 385596288.

The previous prime is 452121499. The next prime is 452121517. The reversal of 452121511 is 115121254.

It is not a de Polignac number, because 452121511 - 2²¹ = 450024359 is a prime.

It is a super-4 number, since 4×452121511⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452121517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23001 + ... + 37858.

It is an arithmetic number, because the mean of its divisors is an integer number (32864400).

Almost surely, 2^452121511 is an apocalyptic number.

452121511 is a deficient number, since it is larger than the sum of its proper divisors (73708889).

452121511 is a wasteful number, since it uses less digits than its factorization.

452121511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60918.

The product of its digits is 400, while the sum is 22.

The square root of 452121511 is about 21263.1491317726. The cubic root of 452121511 is about 767.5117921986.

Adding to 452121511 its reverse (115121254), we get a palindrome (567242765).

The spelling of 452121511 in words is "four hundred fifty-two million, one hundred twenty-one thousand, five hundred eleven".