601215451 has 4 divisors (see below), whose sum is σ = 611071504. Its totient is φ = 591359400.

The previous prime is 601215427. The next prime is 601215463. The reversal of 601215451 is 154512106.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 601215451 - 2¹³ = 601207259 is a prime.

It is a super-2 number, since 2×601215451² = 722920037042266802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601215401) 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, 4927935 + ... + 4928056.

It is an arithmetic number, because the mean of its divisors is an integer number (152767876).

Almost surely, 2^601215451 is an apocalyptic number.

601215451 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

601215451 is a deficient number, since it is larger than the sum of its proper divisors (9856053).

601215451 is an equidigital number, since it uses as much as digits as its factorization.

601215451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9856052.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 601215451 is about 24519.6951653156. The cubic root of 601215451 is about 844.0018095354.

Adding to 601215451 its reverse (154512106), we get a palindrome (755727557).

The spelling of 601215451 in words is "six hundred one million, two hundred fifteen thousand, four hundred fifty-one".