357661541 has 8 divisors (see below), whose sum is σ = 362087640. Its totient is φ = 353244672.

The previous prime is 357661531. The next prime is 357661547. The reversal of 357661541 is 145166753.

It can be written as a sum of positive squares in 4 ways, for example, as 12630916 + 345030625 = 3554^2 + 18575^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-357661541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 357661495 and 357661504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357661547) 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, 106301 + ... + 109613.

It is an arithmetic number, because the mean of its divisors is an integer number (45260955).

Almost surely, 2^357661541 is an apocalyptic number.

It is an amenable number.

357661541 is a deficient number, since it is larger than the sum of its proper divisors (4426099).

357661541 is a wasteful number, since it uses less digits than its factorization.

357661541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615.

The product of its digits is 75600, while the sum is 38.

The square root of 357661541 is about 18911.9417564670. The cubic root of 357661541 is about 709.8350082795.

The spelling of 357661541 in words is "three hundred fifty-seven million, six hundred sixty-one thousand, five hundred forty-one".