61354513 has 32 divisors (see below), whose sum is σ = 74027520. Its totient is φ = 50223360.

The previous prime is 61354511. The next prime is 61354519. The reversal of 61354513 is 31545316.

It is not a de Polignac number, because 61354513 - 2¹ = 61354511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61354511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 739170 + ... + 739252.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 2^61354513 is an apocalyptic number.

It is an amenable number.

61354513 is a deficient number, since it is larger than the sum of its proper divisors (12673007).

61354513 is a wasteful number, since it uses less digits than its factorization.

61354513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237.

The product of its digits is 5400, while the sum is 28.

The square root of 61354513 is about 7832.9121659827. The cubic root of 61354513 is about 394.4108356003.

Adding to 61354513 its reverse (31545316), we get a palindrome (92899829).

It can be divided in two parts, 6135 and 4513, that added together give a cube (10648 = 22³).

The spelling of 61354513 in words is "sixty-one million, three hundred fifty-four thousand, five hundred thirteen".