1354402561 has 8 divisors (see below), whose sum is σ = 1369245024. Its totient is φ = 1339578240.

The previous prime is 1354402559. The next prime is 1354402591. The reversal of 1354402561 is 1652044531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1354402561 - 2¹ = 1354402559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1354402591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190806 + ... + 197776.

It is an arithmetic number, because the mean of its divisors is an integer number (171155628).

Almost surely, 2^1354402561 is an apocalyptic number.

It is an amenable number.

1354402561 is a deficient number, since it is larger than the sum of its proper divisors (14842463).

1354402561 is an equidigital number, since it uses as much as digits as its factorization.

1354402561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9071.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1354402561 is about 36802.2086429605. The cubic root of 1354402561 is about 1106.4095661985.

The spelling of 1354402561 in words is "one billion, three hundred fifty-four million, four hundred two thousand, five hundred sixty-one".