361553461 has 4 divisors (see below), whose sum is σ = 361778400. Its totient is φ = 361328524.

The previous prime is 361553449. The next prime is 361553477. The reversal of 361553461 is 164355163.

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.

It is a cyclic number.

It is not a de Polignac number, because 361553461 - 2⁵ = 361553429 is a prime.

It is a super-2 number, since 2×361553461² = 261441810322157042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361553861) 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, 110041 + ... + 113278.

It is an arithmetic number, because the mean of its divisors is an integer number (90444600).

Almost surely, 2^361553461 is an apocalyptic number.

It is an amenable number.

361553461 is a deficient number, since it is larger than the sum of its proper divisors (224939).

361553461 is a wasteful number, since it uses less digits than its factorization.

361553461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224938.

The product of its digits is 32400, while the sum is 34.

The square root of 361553461 is about 19014.5591850035. The cubic root of 361553461 is about 712.4004324189.

The spelling of 361553461 in words is "three hundred sixty-one million, five hundred fifty-three thousand, four hundred sixty-one".