261207034 has 16 divisors (see below), whose sum is σ = 428815296. Its totient is φ = 118345600.

The previous prime is 261207017. The next prime is 261207043. The reversal of 261207034 is 430702162.

It is a super-2 number, since 2×261207034² = 136458229222154312, 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, 12247 + ... + 25930.

It is an arithmetic number, because the mean of its divisors is an integer number (26800956).

Almost surely, 2^261207034 is an apocalyptic number.

261207034 is a deficient number, since it is larger than the sum of its proper divisors (167608262).

261207034 is a wasteful number, since it uses less digits than its factorization.

261207034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38501.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 261207034 is about 16161.9006926784. The cubic root of 261207034 is about 639.2365848501.

Adding to 261207034 its reverse (430702162), we get a palindrome (691909196).

The spelling of 261207034 in words is "two hundred sixty-one million, two hundred seven thousand, thirty-four".