609472157 has 8 divisors (see below), whose sum is σ = 699664896. Its totient is φ = 520060752.

The previous prime is 609472141. The next prime is 609472163. The reversal of 609472157 is 751274906.

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

It is a cyclic number.

It is not a de Polignac number, because 609472157 - 2⁴ = 609472141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609472657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193658 + ... + 196779.

It is an arithmetic number, because the mean of its divisors is an integer number (87458112).

Almost surely, 2^609472157 is an apocalyptic number.

It is an amenable number.

609472157 is a deficient number, since it is larger than the sum of its proper divisors (90192739).

609472157 is a wasteful number, since it uses less digits than its factorization.

609472157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390667.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 609472157 is about 24687.4898886055. The cubic root of 609472157 is about 847.8479154436.

The spelling of 609472157 in words is "six hundred nine million, four hundred seventy-two thousand, one hundred fifty-seven".