601215407 has 4 divisors (see below), whose sum is σ = 647462760. Its totient is φ = 554968056.

The previous prime is 601215401. The next prime is 601215427. The reversal of 601215407 is 704512106.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704512106 = 2 ⋅352256053.

It is a cyclic number.

It is not a de Polignac number, because 601215407 - 2⁶ = 601215343 is a prime.

It is a super-2 number, since 2×601215407² = 722919931228351298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 23123657 + ... + 23123682.

It is an arithmetic number, because the mean of its divisors is an integer number (161865690).

Almost surely, 2^601215407 is an apocalyptic number.

601215407 is a deficient number, since it is larger than the sum of its proper divisors (46247353).

601215407 is a wasteful number, since it uses less digits than its factorization.

601215407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46247352.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 601215407 is about 24519.6942680777. The cubic root of 601215407 is about 844.0017889460.

The spelling of 601215407 in words is "six hundred one million, two hundred fifteen thousand, four hundred seven".