7561401 has 8 divisors (see below), whose sum is σ = 10114944. Its totient is φ = 5024400.

The previous prime is 7561397. The next prime is 7561409. The reversal of 7561401 is 1041657.

7561401 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7561401 - 2² = 7561397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7561409) 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, 3025 + ... + 4926.

It is an arithmetic number, because the mean of its divisors is an integer number (1264368).

Almost surely, 2^7561401 is an apocalyptic number.

It is an amenable number.

7561401 is a deficient number, since it is larger than the sum of its proper divisors (2553543).

7561401 is a wasteful number, since it uses less digits than its factorization.

7561401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 7561401 is about 2749.8001745581. The cubic root of 7561401 is about 196.2761015765.

The spelling of 7561401 in words is "seven million, five hundred sixty-one thousand, four hundred one".