620460001 has 6 divisors (see below), whose sum is σ = 721759650. Its totient is φ = 531822816.

The previous prime is 620459951. The next prime is 620460037. The reversal of 620460001 is 100064026.

It can be written as a sum of positive squares in only one way, i.e., 593409600 + 27050401 = 24360^2 + 5201^2 .

It is a de Polignac number, because none of the positive numbers 2^k-620460001 is a prime.

It is a super-2 number, since 2×620460001² = 769941225681840002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620460091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6331176 + ... + 6331273.

It is an arithmetic number, because the mean of its divisors is an integer number (120293275).

Almost surely, 2^620460001 is an apocalyptic number.

It is an amenable number.

620460001 is a deficient number, since it is larger than the sum of its proper divisors (101299649).

620460001 is a wasteful number, since it uses less digits than its factorization.

620460001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12662463 (or 12662456 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 620460001 is about 24909.0345256495. The cubic root of 620460001 is about 852.9127299191.

The spelling of 620460001 in words is "six hundred twenty million, four hundred sixty thousand, one".