61307001 has 24 divisors (see below), whose sum is σ = 101634624. Its totient is φ = 34884000.

The previous prime is 61306967. The next prime is 61307003. The reversal of 61307001 is 10070316.

It is not a de Polignac number, because 61307001 - 2⁹ = 61306489 is a prime.

It is a super-2 number, since 2×61307001² = 7517096743228002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61307003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13875 + ... + 17751.

It is an arithmetic number, because the mean of its divisors is an integer number (4234776).

Almost surely, 2^61307001 is an apocalyptic number.

It is an amenable number.

61307001 is a deficient number, since it is larger than the sum of its proper divisors (40327623).

61307001 is a wasteful number, since it uses less digits than its factorization.

61307001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141 (or 4138 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 61307001 is about 7829.8787346931. The cubic root of 61307001 is about 394.3090007288.

Adding to 61307001 its reverse (10070316), we get a palindrome (71377317).

It can be divided in two parts, 6130 and 7001, that added together give a palindrome (13131).

The spelling of 61307001 in words is "sixty-one million, three hundred seven thousand, one".