761040251 has 4 divisors (see below), whose sum is σ = 763637952. Its totient is φ = 758442552.

The previous prime is 761040239. The next prime is 761040253. The reversal of 761040251 is 152040167.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-761040251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 761040251.

It is not an unprimeable number, because it can be changed into a prime (761040253) 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, 1298411 + ... + 1298996.

It is an arithmetic number, because the mean of its divisors is an integer number (190909488).

Almost surely, 2^761040251 is an apocalyptic number.

761040251 is a deficient number, since it is larger than the sum of its proper divisors (2597701).

761040251 is a wasteful number, since it uses less digits than its factorization.

761040251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597700.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 761040251 is about 27586.9579874259. The cubic root of 761040251 is about 912.9967025206.

The spelling of 761040251 in words is "seven hundred sixty-one million, forty thousand, two hundred fifty-one".