61320562 has 16 divisors (see below), whose sum is σ = 97107840. Its totient is φ = 28960848.

The previous prime is 61320551. The next prime is 61320601. The reversal of 61320562 is 26502316.

It is a super-2 number, since 2×61320562² = 7520422647991688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11748 + ... + 16144.

It is an arithmetic number, because the mean of its divisors is an integer number (6069240).

Almost surely, 2^61320562 is an apocalyptic number.

61320562 is a deficient number, since it is larger than the sum of its proper divisors (35787278).

61320562 is a wasteful number, since it uses less digits than its factorization.

61320562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 61320562 is about 7830.7446644620. The cubic root of 61320562 is about 394.3380720695.

Adding to 61320562 its reverse (26502316), we get a palindrome (87822878).

The spelling of 61320562 in words is "sixty-one million, three hundred twenty thousand, five hundred sixty-two".