353520061 has 4 divisors (see below), whose sum is σ = 372126400. Its totient is φ = 334913724.

The previous prime is 353520053. The next prime is 353520067. The reversal of 353520061 is 160025353.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160025353 = 19 ⋅8422387.

It is a cyclic number.

It is not a de Polignac number, because 353520061 - 2³ = 353520053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353520067) 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, 9303141 + ... + 9303178.

It is an arithmetic number, because the mean of its divisors is an integer number (93031600).

Almost surely, 2^353520061 is an apocalyptic number.

It is an amenable number.

353520061 is a deficient number, since it is larger than the sum of its proper divisors (18606339).

353520061 is a wasteful number, since it uses less digits than its factorization.

353520061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18606338.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 353520061 is about 18802.1291613477. The cubic root of 353520061 is about 707.0845607594.

The spelling of 353520061 in words is "three hundred fifty-three million, five hundred twenty thousand, sixty-one".