361142513 has 4 divisors (see below), whose sum is σ = 361182528. Its totient is φ = 361102500.

The previous prime is 361142489. The next prime is 361142531. The reversal of 361142513 is 315241163.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 361142513 - 2²² = 356948209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361142413) 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, 620 + ... + 26882.

It is an arithmetic number, because the mean of its divisors is an integer number (90295632).

Almost surely, 2^361142513 is an apocalyptic number.

It is an amenable number.

361142513 is a deficient number, since it is larger than the sum of its proper divisors (40015).

361142513 is a wasteful number, since it uses less digits than its factorization.

361142513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40014.

The product of its digits is 2160, while the sum is 26.

The square root of 361142513 is about 19003.7499720450. The cubic root of 361142513 is about 712.1304211544.

Adding to 361142513 its reverse (315241163), we get a palindrome (676383676).

The spelling of 361142513 in words is "three hundred sixty-one million, one hundred forty-two thousand, five hundred thirteen".