761561325 has 192 divisors, whose sum is σ = 1785600000. Its totient is φ = 309795840.

The previous prime is 761561323. The next prime is 761561369. The reversal of 761561325 is 523165167.

761561325 is a `hidden beast` number, since 7 + 6 + 15 + 613 + 25 = 666.

It is not a de Polignac number, because 761561325 - 2¹ = 761561323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 761561325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761561323) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1525926 + ... + 1526424.

It is an arithmetic number, because the mean of its divisors is an integer number (9300000).

Almost surely, 2^761561325 is an apocalyptic number.

761561325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

761561325 is an abundant number, since it is smaller than the sum of its proper divisors (1024038675).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

761561325 is a wasteful number, since it uses less digits than its factorization.

761561325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 550 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 761561325 is about 27596.4005805105. The cubic root of 761561325 is about 913.2050271601.

The spelling of 761561325 in words is "seven hundred sixty-one million, five hundred sixty-one thousand, three hundred twenty-five".