620297475 has 24 divisors (see below), whose sum is σ = 1172067840. Its totient is φ = 283564320.

The previous prime is 620297473. The next prime is 620297477. The reversal of 620297475 is 574792026.

It is an interprime number because it is at equal distance from previous prime (620297473) and next prime (620297477).

It is not a de Polignac number, because 620297475 - 2¹ = 620297473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620297473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590235 + ... + 591284.

It is an arithmetic number, because the mean of its divisors is an integer number (48836160).

Almost surely, 2^620297475 is an apocalyptic number.

620297475 is a deficient number, since it is larger than the sum of its proper divisors (551770365).

620297475 is a wasteful number, since it uses less digits than its factorization.

620297475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181539 (or 1181534 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 620297475 is about 24905.7719213840. The cubic root of 620297475 is about 852.8382515216.

The spelling of 620297475 in words is "six hundred twenty million, two hundred ninety-seven thousand, four hundred seventy-five".