1451452261 has 16 divisors (see below), whose sum is σ = 1699084800. Its totient is φ = 1214046720.

The previous prime is 1451452253. The next prime is 1451452307. The reversal of 1451452261 is 1622541541.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1451452261 - 2³ = 1451452253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451452201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108501 + ... + 121141.

It is an arithmetic number, because the mean of its divisors is an integer number (106192800).

Almost surely, 2^1451452261 is an apocalyptic number.

It is an amenable number.

1451452261 is a deficient number, since it is larger than the sum of its proper divisors (247632539).

1451452261 is a wasteful number, since it uses less digits than its factorization.

1451452261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13044.

The product of its digits is 9600, while the sum is 31.

The square root of 1451452261 is about 38097.9298781443. The cubic root of 1451452261 is about 1132.2289419138.

The spelling of 1451452261 in words is "one billion, four hundred fifty-one million, four hundred fifty-two thousand, two hundred sixty-one".