620354542 has 8 divisors (see below), whose sum is σ = 939228696. Its totient is φ = 307278312.

The previous prime is 620354521. The next prime is 620354549. The reversal of 620354542 is 245453026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620354549) 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, 1449213 + ... + 1449640.

It is an arithmetic number, because the mean of its divisors is an integer number (117403587).

Almost surely, 2^620354542 is an apocalyptic number.

620354542 is a deficient number, since it is larger than the sum of its proper divisors (318874154).

620354542 is a wasteful number, since it uses less digits than its factorization.

620354542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898962.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 620354542 is about 24906.9175531618. The cubic root of 620354542 is about 852.8644042575.

The spelling of 620354542 in words is "six hundred twenty million, three hundred fifty-four thousand, five hundred forty-two".